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Article

British Naturalist Laura Roscoe Thornely (1860–1951), Taxonomist of Hydroids and Bryozoans

by
Dale R. Calder
Department of Natural History, Royal Ontario Museum, 100 Queen’s Park, Toronto, ON M5S 2C6, Canada
Taxonomy 2021, 1(3), 234-242; https://doi.org/10.3390/taxonomy1030017
Submission received: 15 July 2021 / Revised: 4 August 2021 / Accepted: 5 August 2021 / Published: 11 August 2021
(This article belongs to the Special Issue The World of Hydrozoa—Taxonomy, Faunistics and Zoogeography of Hydrozoa)
Review Reports Versions Notes

Abstract

:
Laura Roscoe Thornely was born on 6 March 1860 in Blundellsands, Lancashire, England. On approaching age 30, in the late 1880s, she became interested in the taxonomy of hydroids and bryozoans under Prof. W.A. Herdman at University College, Liverpool. Her studies during much of the 1890s were based largely on the relatively well-known fauna of the boreal northeastern North Atlantic Ocean. Around the turn of the century, however, her focus shifted to collections from the species-rich tropical Indo-West Pacific region, the hydroids and bryozoans of which were then little-known. The publications by Thornely on hydroids from the tropical western Pacific, from Sri Lanka, and from the Sudanese Red Sea, the most noteworthy of her works on the group, are still frequently cited. Concurrently, papers were published on the Bryozoa from Northern Ireland, the Indian Ocean, and Antarctica. Overall, she described 70 new species, with 26 of them based on hydroids and 44 on bryozoans; one hydroid species was assigned by her to a new genus. A person of affluent means, the motivation for her research appears to have been pure academic interest; she never held a university appointment or degree. Thornely died on 18 July 1951 at age 91 in Troutbeck, Westmorland, England.

1. Introduction

Laura Roscoe Thornely (1860–1951) established herself as a notable contributor to the knowledge of hydroids and bryozoans based largely on studies of species from the biologically rich tropical Indo-West Pacific region [1,2,3,4,5,6,7,8,9]. Earlier, she had undertaken studies of the two groups in boreal waters of the eastern North Atlantic Ocean [10,11,12,13]. That background experience, with a relatively well-known fauna, prepared her for studies on the decidedly understudied biota of the western Pacific and Indian oceans. Her final publication was on bryozoans from the Australian Antarctic Expedition of 1911–1914 [14].
The research by Thornely was carried out largely in the Zoological Laboratory at University College, Liverpool (later the University of Liverpool), England. Overseeing, facilitating, and encouraging her work at the university was Prof. (later Sir) William Abbott Herdman (1858–1924), D.Sc., F.R.S., F.R.S.E. Founded in 1881, the university opened in 1882 with Herdman as its first professor of natural history. Thornely’s competence as a taxonomist of hydroids and bryozoans progressed during the following decade while working under his tutelage. Her publications on the two groups appeared over an interval of 30 years, with the first, on hydroids, appearing in 1894 [10] and the last, in 1924 [14], on bryozoans.
The objective of this study was to review the biological research of Laura Thornely. Included are synopses of the hydroid and bryozoan taxa named by her, together with the current status of each one. The publications by Thornely on both invertebrate groups are listed herein. Finally, it must be noted that Thornely’s name has been misspelled in some publications as “Thorneley”.

2. Materials and Methods

Much of the information herein on Laura Roscoe Thornely has been extracted from Proceedings and Transactions of the Liverpool Biological Society (vols. 3–34), in addition to her papers on hydroids and bryozoans, cited above. References to her publications on hydroids were perused in Bedot [15,16] and Vervoort [17]; those on Bryozoa were found mostly on The Bryozoa Homepage [18]. Where known, the day or month a given paper by Thornely was published, as well as the year, is noted in the References section. Such information is of potential value in establishing priority of nomenclature. Nomenclaturally available genus- and species-group names proposed by Thornely for Hydrozoa and Bryozoa, extracted from her publications, are listed in Table 1 and Table 2. Included are the type localities of the species, as well as the type species of the single genus she established. Details on her family life were discovered at Geni.com [19]. Searches for a photograph of Thornely online, from persons at the Natural History Museum, London, from the Archives of the University of Liverpool, and from the Church of St. Michael and all Angels, Hawkshead, which she attended, were all unsuccessful.

3. Personal Life

Laura Roscoe Thornely was born in Blundellsands, Lancashire, England on 6 March 1860, the daughter of James “Jim” Thornely (1823–1898), solicitor and law clerk, and Laura “Poppy” (Roscoe) Thornely (1828–1919). Poppy was a granddaughter of William Roscoe (1753–1831), well-known banker, solicitor, historian, botanist, brief member of parliament, and noted early abolitionist of slavery. Laura was one of eight children in the Thornely family, with four brothers (Robert Roscoe, 1853–1865; Thomas, 1855–1949; James Lamport, 1865–1898; and William, 1869–1961) and three sisters (Mary, 1856–1943; Beatrice, 1858–1950; and Martha Grace, 1861–1955) [19]. James Thornely served for a time as trustee at the Gateacre Unitarian Chapel [20].
Laura Thornely became a dedicated student of natural history during the late 1880s as she approached age 30, and joined the Liverpool Biological Society as a member in 1889. She continued as an active member and supporter (“subscriber”) of the society and its marine research stations for more than three decades, and was elected to its council during 1906–1911 (Proceedings and Transactions of the Liverpool Biological Society, Vols. 3–38). Considerable time from the late 1880s to the early 1910s was spent at the University of Liverpool. During that period, she established a reputation as a capable specialist of two taxonomically challenging groups of marine invertebrates, the hydroids and bryozoans. Evidence suggests, however, that she was never awarded an academic degree. Notably, the names and degrees of the council members of the Liverpool Biological Society were listed in issues of its Proceedings and Transactions. During the time she served on the council (1906–1911), her name appeared on those lists unaccompanied by any academic degrees, with only the title “Miss” being listed in vols. 21, 22, and 24. Even that title was deleted in vol. 25.
Her life was a comfortably affluent one, and she resided in a succession of desirable neighborhoods in England. After growing up at Blundellsands, Lancashire in the Greater Liverpool area, membership records of the Liverpool Biological Society reveal that Ms. Thornely lived at various times in other prosperous neighborhoods of the city, including Woolton Hill, Aigburth Hall Road, and Grassendale. After 1916, she moved north to the English countryside of Cumbria (then within Northumberland), where her residences are listed in the Proceedings and Transactions as the communities of Ambleside, Outgate, and, finally, Troutbeck. It was there that Laura Roscoe Thornely died on 18 July 1951 at the age of 91. Her burial site, together with that of her mother, is listed as Burial Ground Section E, Grave E11 at the medieval Anglican Church of St. Michael and All Angels, Hawkshead, Ambleside, UK [21]. The inscription on her gravestone is as follows:
TO THE
DEAR MEMORY OF
LAURA THORNELY
WIFE OF
JAMES THORNELY
BORN APRIL 15 1828
DIED OCTOBER 3 1919
AND OF THEIR DAUGHTER
LAURA ROSCOE THORNELY
BORN MARCH 6 1860
DIED JULY 18 1951
Laura Thornely lived her life as an unmarried woman and left no descendants [19]. Her closest companion for many years was Eliza Foster Barham [22].

4. Research in Natural History

Laura Roscoe Thornely was particularly interested in hydroids and polyzoans (=bryozoans), invertebrate animals of different phyla often studied together and still referred to on occasion at that time as “zoophytes”. Examinations of them were carried out at University College, Liverpool (later the University of Liverpool) under the supervision of Prof. William Abbott Herdman, Derby Chair of Natural History (1881–1919) and, later, Professor of Oceanography (1919–1920) at the university. She also collected and studied specimens at the marine research stations of the Liverpool Biological Society—first, at the Puffin Island Marine Biological Station (opened in 1887; closed in 1891), Anglesey, Wales [23], and afterwards, at its replacement, the Marine Biological Station at Port Erin, Isle of Man (opened in 1892; closed in 2006) [24].
From her base in the zoological laboratory of the university, Laura Thornely began her scientific studies in 1889 with research on hydroids collected at Puffin Island in the Irish Sea. Taxonomically, her interests thereafter appeared to be divided about equally between hydroids and bryozoans. Geographically, the focus of her work throughout much of the 1890s was on species inhabiting the eastern shores of the Irish Sea from the coast of Wales well to the north of Liverpool in England, as well as the offshore Isle of Man. Meanwhile, she also examined collections obtained during cruises in 1890 to the west coast of Ireland and in 1891 to Norway. Records of species assigned to both groups from her studies are scattered throughout the annual reports in Proceedings and Transactions of the Liverpool Biological Society (vols. 4–21). Although no new species were described in any of these early works, taxonomic knowledge about the fauna in the areas of study was expanded.
Thornely quickly gained competence in the taxonomy of both groups of invertebrates. The high respect that Prof. Herdman held for her and her work was apparent in an editorial note at the beginning of her first publication [10]:
“Miss L. R. Thornely …has worked carefully through all the mass of material brought home by the various dredging and other collecting expeditions and has identified and mounted the species new and old. Miss Thornely’s work has been carried on to some extent in the Zoological Laboratory of the College, where she has arranged the Hydroida and the Polyzoa in the “Local Collection”, and she has also studied the living material at the Port Erin Biological Station. The success of her work will be seen from the numerous entries in the carefully compiled table of geographical distribution in the district which follows…”
That initial publication of Thornely [10] dealt with hydroids identified from the so-called “L.M.B.C. district” (Liverpool Marine Biological Committee district), encompassing localities in Liverpool Bay including Liverpool, Puffin Island, and the Isle of Man. Some 30 species were added by her to the faunal list of the region, bringing the total to 87 species and one variety.
Short reports followed on collections from a cruise to Rockall Islet and Bank in the eastern North Atlantic Ocean aboard the S.S. Granuaile. The primary purpose of the cruise to this isolated site was the exploration of its geology, natural history, oceanography, and meteorology, although considerations were also given to the eventual establishment there of a meteorological station [25]. Once on-site, dredging was undertaken for benthic invertebrates, with 42 species and three varieties of bryozoans [11] and five species of hydroids [12] identified from the collections. Pioneer bryozoan specialist Eliza Catherine Jelly (1829–1914) assisted Thornely with the identification of some old, encrusted colonies of her specialty that were difficult to identify [11] (p. 80).
Throughout all of this early work, Thornely gained practical experience with both groups based on a relatively well-known fauna, namely that of the boreal eastern North Atlantic. Comprehensive taxonomic literature was available for the region at the time on both hydroids [26,27,28,29] and bryozoans [26,30]. Serendipitously, these studies were preparing her for future investigations on a poorly known biota half a world away. Her most challenging work on both hydroids and bryozoans was about to begin, with studies on the diverse fauna of the tropical Indo-West Pacific region. Within this region is an exceptionally species-rich area now known as the Coral Triangle [31], including the Philippines, Eastern Indonesia, Papua New Guinea, the Solomon Islands, and East Timor [32]. Some of her studies dealt with species from the triangle and adjacent areas.
The first of these investigations [1] was based on hydroids collected by Dr. Arthur Willey (1867–1942) in Blanche Bay, New Britain, the Loyalty Islands, British New Guinea Engineer group, and New Caledonia. Willey, then at the University of Cambridge, had gone to the Far East in 1894 to study the embryology of the pearly or chambered nautilus (Nautilus pompilius Linnaeus, 1758) [33]. While there between 1895 and 1897, he collected other invertebrates [34], including hydroids. In her paper, Thornely provided an account of 20 species, with 10 of them being new. Seven species mentioned only in her Introduction were identified merely to genus rank due to a lack of adequate materials.
That publication was followed by the last of her papers on British invertebrates [13]. It dealt with bryozoans collected from Northern Ireland in 1896, received from Robert Francis Scharff (1858–1934) of the National Museum of Ireland, Dublin. In it, Thornely identified 32 species from waters off Ballycastle and 33 from off Rathlin Island.
Specimens for her second study of Indo-West Pacific hydroids [2] had been collected by Dr. Herdman during investigations on the pearl oyster fishery in the Gulf of Mannar, Ceylon (Sri Lanka). The fishery had seen a decade of failure at the time, and studies were undertaken to investigate the resources and the reasons for its decline [35]. Surveys and collecting efforts were undertaken during 1902 in Sri Lankan waters of the gulf by Herdman and his assistant, James Hornell (1865–1949). Thornely identified one new genus and 43 species in the hydroid collection, with 13 of them being described as new to science. In a paper on bryozoans from the same investigation [3], 116 species were identified, with 16 of them plus a new variety being previously undescribed. Corrections and additions to these two studies appeared shortly after [4], along with the addition of another species of bryozoan.
Research on bryozoans of the Indian Ocean continued, with an examination of collections from the Indian Museum [5] and from the Percy Sladen Trust Expedition to the Indian Ocean in 1905 [7]. The collection from the Indian Museum included 81 species, with four of them considered new. It comprised material from the Indian Ocean, except for a few specimens from the Gaspar Strait, Indonesia, and the Strait of Malacca. The material from the Percy Sladen Trust Expedition included 106 species; nine were taken to be new, and four new varieties were distinguished and named.
Another opportunity to study little-known hydroids arose when a collection from a biological survey in 1904 to 1905 of the Sudanese Red Sea by Dr. Cyril Crossland (1878–1943) was assigned to her for identification [6]. Eighteen species were identified, with two of them described as new.
Her last paper on hydroids [8], and a companion work on Bryozoa [9], were based on collections from Okhamandal, India by James Hornell. The specimens for both reports were obtained, largely by dredging, from 09 December 1905 to 13 January 1906 [36]. The purpose of the overall study was to advance knowledge of the shallow water marine resources of Baroda (now part of the state of Gujarat), India, and to investigate species (such as pearl oysters) offering economic potential. In addition to the time normally required to assemble reports, the start of World War I delayed the publication of Part II of the report [37] (p. vii). In it, 17 species of hydroids were reported by Thornely [8], all of them previously described and most of them inhabitants of shallow waters. Of the 42 species reported in her paper on bryozoans [9], one new species and one new variety were described.
The final publication by Thornely [14] came from an examination of materials from the Australian Antarctic Expedition of 1911–1914. In it, 68 species of bryozoans were reported, with five being recognized as new. Illustrations of the new species in that work were mere sketches, and the descriptions of them were brief. The materials came largely from Commonwealth Bay, Antarctica, but also included specimens from Maria Island and Macquarie Island, Australia and the Auckland Islands, New Zealand. In addition to bryozoans, one species of Entoprocta was included in her report.
In all, Thornely described one new genus and 26 new species of hydroids (Table 1) and 44 new species of Bryozoa (Table 2). The types of some of these species, of both groups, are at the Natural History Museum in London and the Cambridge University Museum of Zoology. Several of the hydroids she described are well-known and widely distributed, including putatively circumglobal species such as Clytia linearis (Thornely, 1900) [1], C. brevithecata (Thornely, 1900) [1], better known at present as its junior synonym C. hummelincki (Leloup, 1935) [38], and Tridentata rugosissima (Thornely, 1900) [1].
Table
Table 1. Names of Hydrozoa proposed by Laura Roscoe Thornely. Types exist at the Natural History Museum, London, UK for the species with an asterisk.
Table 1. Names of Hydrozoa proposed by Laura Roscoe Thornely. Types exist at the Natural History Museum, London, UK for the species with an asterisk.
GenusType SpeciesType Fixation
Clavactinia Thornely, 1904 [2]* Clavactinia gallensis Thornely, 1904 [2]by monotypy
SpeciesType LocalityCurrent Name
Hydranthea australis Thornely, 1900 [1]Papua New Guinea: New Britain, Blanche Bay, to 73 mHydranthea australis Thornely, 1900 [1], species inquirenda
Ectopleura pacifica Thornely, 1900 [1]Papua New Guinea: New Britain, Blanche BayEctopleura viridis (Pictet, 1893) [39]
Obelia linearis Thornely, 1900 [1]Papua New Guinea: New Britain, Blanche BayClytia linearis (Thornely, 1900) [1]
Obelia delicatula Thornely, 1900 [1]Papua New Guinea: New Britain, Blanche Bay, to 73 mClytia delicatula (Thornely, 1900) [1]
Campanularia brevithecata [1] Thornely, 1900Papua New Guinea: New Britain, Blanche BayClytia brevithecata (Thornely 1900) [1]
Gonothyraea longicyatha Thornely, 1900 [1]Papua New Guinea: New Britain, Blanche Bay, to 91 mObelia longicyatha (Thornely, 1900) [1]
Sertularia pusilla Thornely, 1900 [1]New Caledonia: Loyalty Islands, LifuSertularia pusilla Thornely, 1900 [1], species inquirenda
Sertularia littoralis Thornely, 1900 [1]New Caledonia: Loyalty Islands, Lifu, littoralSertularia littoralis Thornely, 1900 [1], species inquirenda
Aglaophenia bellis Thornely, 1900 [1]Papua New Guinea: Engineer GroupPachyrhynchia cupressina (Lamouroux, 1816) [40]
Plumularia compacta Thornely, 1900 [1]New CaledoniaPlumularia strictocarpa Pictet, 1893 [38]
* Corydendrium chevalense Thornely, 1904 [2]Sri Lanka: Cheval Paar, 11–15 mOceania armata Kölliker, 1853 [41]
* Podocoryne denhami Thornely, 1904 [2]Sri Lanka: Palk Strait, 11–15 mHydractinia denhami (Thornely, 1904) [2]
* Clavactinia gallensis Thornely, 1904 [2]Sri Lanka: Galle Bay, 4 mClavactinia gallensis Thornely, 1904 [2]
* Clytia geniculata Thornely, 1904 [2]Sri Lanka: Cheval Paar, shallowClytia linearis (Thornely, 1900) [1]
Campanularia corrugata Thornely, 1904 [2]Sri Lanka: N of Cheval Paar, 13–18 mHebella corrugata (Thornely, 1904) [2]
* Sertularia ligulata Thornely, 1904 [2]Sri Lanka: Gulf of MannarTridentata loculosa (Busk, 1852) [42]
* Sertularia fissa Thornely, 1904 [2]Sri Lanka: Galle + off Mount Lavinia + off Kaltura + Cheval Paar, 11–55 mDynamena fissa (Thornely, 1904) [2]
* Sertularia rugosissima Thornely, 1904 [2]Sri Lanka: Gulf of MannarTridentata rugosissima (Thornely, 1904) [2]
Thuiaria palans Thornely, 1904 [2]Sri Lanka: Palk Bay, 13 mDynamena crisioides (Lamouroux 1824) [43]
* Desmoscyphus palkensis Thornely, 1904 [2]Sri Lanka: Palk Bay, 13 mDynamena moluccana (Pictet, 1893) [39]
* Lytocarpus hornelli Thornely, 1904 [2]Sri Lanka: off Mount Lavinia + off Kaltura + off NegomboTaxella hornelli (Thornely, 1904) [2]
* Lytocarpus fasciculatus Thornely, 1904 [2]Sri Lanka: off Galle, along W coastMonoserius pennarius (Linnaeus, 1758) [33]
* Lytocarpus plumosus Thornely, 1904 [2]Sri Lanka: Gulf of Mannar?Lytocarpia delicatula (Busk, 1852) [42]
Ceratella crosslandi Thornely, 1908 [6]Sudan: Port SudanSolanderia secunda (Inaba, 1892) [44]
Lovenella corrugata Thornely, 1908 [6]Sudan: Khor Dongola, 37 mLovenella corrugata Thornely, 1908
Perigonimus vagans Thornely, 1908 [6]Sudan: Khor Shinab, 18–22 fm?Bougainvillia sp.
Table
Table 2. Names of Bryozoa proposed by Laura Roscoe Thornely. Types exist at the Natural History Museum, London, UK for the species with an asterisk.
Table 2. Names of Bryozoa proposed by Laura Roscoe Thornely. Types exist at the Natural History Museum, London, UK for the species with an asterisk.
SpeciesType LocalityCurrent Name
* Onychocella cucullata Thornely, 1905 [3]Sri Lanka: Gulf of Mannar + off TrincomaleeOnychocella cucullata Thornely, 1905 [3]
* Schizoporella avicularis Thornely, 1905 [3]Sri Lanka: Gulf of MannarSchizoporella avicularis Thornely, 1905 [3], species inquirenda
* Schizoporella viridis Thornely, 1905 [3]Sri Lanka: Gulf of Mannar, coral banksStylopoma viride (Thornely, 1905) [3]
Schizoporella collaris Thornely, 1905 [3]Sri Lanka: off Mount LaviniaSchizoporella collaris Thornely, 1905 [3], species inquirenda
* Rhynchopora incisor Thornely, 1905 [3]Sri Lanka: Gulf of Mannar + off Galle, 62 mDrepanophora incisor (Thornely, 1905) [3]
* Rhynchopora corrugata Thornely, 1905 [3]Sri Lanka: Gulf of MannarDrepanophora corrugata (Thornely, 1905) [3]
* Gemellipora protrusa Thornely, 1905 [3]Sri Lanka: Gulf of Mannar, on “nullipore” ballsCharacodoma protrusum (Thornely, 1905) [3]
* Lepralia purpurea Thornely, 1905 [3]Sri Lanka: Gulf of MannarLepralia purpurea Thornely, 1905, species inquirenda [3]
* Lepralia multidentata Thornely, 1905 [3]Sri Lanka: Gulf of Mannar + off TrincomaleePleuromucrum multidentatum (Thornely, 1905) [3]
* Lepralia nitida Thornely, 1905 1 [3]Sri Lanka: Gulf of MannarHippaliosina adhaerens (Thornely, 1906) [4]
* Lepralia ceylonica Thornely, 1905 [3]Sri Lanka: Gulf of MannarThornelya ceylonica (Thornely, 1905) [3]
* Lepralia fissa Thornely, 1905 2 [3]Sri Lanka: off Galle, deep waterLepralia gallensis Thornely, 1906 [4], species inquirenda
Lepralia triangula Thornely, 1905 [3]Sri Lanka: Gulf of MannarLepralia triangula Thornely, 1905 [3], species inquirenda
* Smittia trispinosa var. protecta Thornely, 1905 [3]Sri Lanka: Gulf of MannarParasmittina protecta (Thornely, 1905) [3]
* Phylactella spiralis Thornely, 1905 [3]Sri Lanka: Gulf of Mannar + off Mount Lavinia + off GallePhylactella spiralis Thornely, 1905 [3]
* Retepora pocillum Thornely, 1905 [3]Sri Lanka: Gulf of MannarRetepora pocillum Thornely, 1905 [3], species inquirenda
* Cellepora compacta Thornely, 1905 [3]Sri Lanka: Gulf of MannarRhynchozoon compactum (Thornely, 1905) [3]
* Schizoporella inclusa Thornely, 1906 3 [4]Sri Lanka: Gulf of MannarSchizoporella avicularis Thornely, 1905 [3]
Lepralia adhaerens Thornely, 1906 1 [4] Sri Lanka: Gulf of MannarHippaliosina adhaerens (Thornely, 1906) [4]
Lepralia gallensis Thornely, 1906 2 [4]Sri Lanka: off Galle, deep waterLepralia gallensis Thornely, 1906 [4], species inquirenda
* Scrupocellaria gaspari Thornely, 1907 [5]Indonesia: Gaspar Strait + Andaman Islands + Sri Lanka: off Kirinda, 58 m + India: off Ganjam, 51–64 mLicornaria gaspari (Thornely, 1907) [5]
Canda pecten Thornely, 1907 [5]Myanmar: Cheduba, 51–55 m + NE of Preparis Island, 75 mCanda pecten Thornely, 1907 [5]
Mucronella formidabilis Thornely, 1907 [5]Andaman Islands: NW of Sentinel Is., 457 mMucronella formidabilis Thornely, 1907 [5], species inquirenda
* Mucronella maculata Thornely, 1907 [5]India: Pedro Shoal, 46 mMucronella maculata Thornely, 1907 [5], species inquirenda
Bugula neritina var. rubra Thornely, 1912 [7]Republic of the Seychelles: Amirante, 62 m + Providence Atoll, 91 mBugula robusta MacGillivray, 1869 [45], but possibly a valid species
Bugula neritina var. tenuata Thornely, 1912 [7]Mauritius: Cargados, 51 mBugula robusta MacGillivray, 1869 [45], but possibly a valid species
Bugula neritina var. ramosa Thornely, 1912 [7]Republic of the Seychelles: Amirante, 42 mBugula ramosa Thornely, 1912 [7]
* Membraniporella magnifica Thornely, 1912 [7]Mauritius: Cargados, 55 mKlugerella magnifica (Thornely, 1912) [7]
Cribrilina reticulata Thornely, 1912 [7]Republic of the Seychelles: Providence, 91–143 mCribrilina reticulata Thornely, 1912 [7], species inquirenda
Bifaxaria vagans Thornely, 1912 [7]Republic of the Seychelles: Seychelles, 62–71 m + Amirante, 62 mVix vagans (Thornely, 1912) [7]
* Lepralia crassa Thornely, 1912 4 [7]Mauritius: Cargados, 55 mPetraliella crassocirca Canu & Bassler, 1929 [46]
Lepralia marginata Thornely, 1912 5 [7]Republic of the Seychelles: Amirante, 229 mReplacement name needed; species inquirenda
* Lepralia bicornis Thornely, 1912 [7]Mauritius: Cargados, 55 m; Chagos Archipelago: Salomon, 137 mLepralia bicornis Thornely, 1912 [7], species inquirenda
Smittia glomerata Thornely, 1912 [7]Mauritius: CargadosParasmittina glomerata (Thornely, 1912) [7]
Smittia ornata Thornely, 1912 [7]Saya de Malha Bank, 274 mParasmittina ornata (Thornely, 1912) [7]
Phylactella galeata Thornely, 1912 [7]Chagos Archipelago: Salomon, 137 mPhylactella galeata Thornely, 1912 [7]
Mucronella ellerii var. multiaviculariata Thornely, 1912 [7]Mauritius: Cargados, 37–55 m; Republic of the Seychelles: Amirante, 55 mMucropetraliella multiaviculariata (Thornely, 1912) [7]
Beania regularis Thornely, 1916 [9]India: Dwarka, GujaratBeania regularis Thornely, 1916 [9]
Bugula neritina var. fastigiata Thornely, 1916 [9]India: Dwarka, 27–31 m + Chindi Reef, 11–18 m + Rupan Bandar + Kutchegad. All in Gujarat stateBugula neritina var. fastigiata Thornely, 1916 [9], species inquirenda
Membranipora elongata Thornely, 1924 6 [14]Antarctica: Commonwealth Bay, 46 mReplacement name needed; species inquirenda
Cellaria membranacea Thornely, 1924 [14]Antarctica: Commonwealth Bay, 642 mSwanomia membranacea (Thornely, 1924) [14]
Mucronella coronata Thornely, 1924 [14]Antarctica: Commonwealth Bay, 219 mAspidostoma coronatum (Thornely, 1924) [14]
Aspidostoma obliquum Thornely, 1924 [14]Antarctica: Commonwealth Bay, 201 mMelicerita obliqua (Thornely, 1924) [14]
Cellepora setosa Thornely, 1924 [14]Antarctica: Commonwealth Bay, 201 m + 219 mOrthoporidra compacta (Waters, 1904) [47]
1 Lepralia nitida Thornely, 1905 [3] is a permanently invalid junior primary homonym of Lepralia nitida Johnston, 1838 [48]. The binomen Lepralia adhaerens Thornely, 1906 [4], now Hippaliosina adhaerens (Thornely, 1906), was proposed as a replacement name for L. nitida Thornely, 1905. 2 Lepralia fissa Thornely, 1905 [3] is a permanently invalid junior primary homonym of Lepralia fissa Busk, 1856 [49]. The binomen Lepralia gallensis Thornely, 1906 [4] was proposed as a replacement name for L. fissa Thornely, 1905. 3 The binomen Schizoporella inclusa Thornely, 1906 [4], unnecessarily proposed as a replacement name for Schizoporella avicularis Thornely, 1905 [3], is a junior objective synonym of the latter. 4 Lepralia crassa Thornely, 1912 [7] is a permanently invalid junior primary homonym of Lepralia crassa Ritter von Reuss, 1874 [50] and has been replaced by a synonym, Petraliella crassocirca Canu & Bassler, 1929 [46] [51]. 5 Lepralia marginata Thornely, 1912 [7] is a permanently invalid junior primary homonym of Lepralia marginata Calvet, 1909 [52]. A replacement name for the junior homonym is needed. 6 Membranipora elongata Thornely, 1924 [14] is a permanently invalid junior primary homonym of Membranipora elongata d’Orbigny, 1853 [53]. A replacement name for the junior homonym is needed. Dating of the publication by d’Orbigny [53] follows Sherborn [54].
Thus, while Thornely provided new observations on the hydroid and bryozoan faunas of northwestern Europe, especially those of the Irish Sea area, her most significant contributions by far were to advance knowledge of the two groups in the biologically diverse but understudied Indo-West Pacific region. The descriptions of new taxa by her were relatively brief but generally adequate for identification. Her illustrations were also mostly satisfactory in comparison with those of her contemporaries, with the exception noted above [14]. Inasmuch as she never held an academic position, and her resources for scientific study must have been limited, her accomplishments are commendable.
The taxonomic investigations of Laura Roscoe Thornely have been underrecognized and underappreciated. Greater recognition and credit for her contributions to the knowledge of both hydroids and bryozoans, especially those of the tropical Indo-West Pacific, are warranted.

5. Eponyms

In addition to one genus, Thornelya Harmer, 1957 [55] (Bryozoa), six species have been named in honor of Laura Roscoe Thornely: Diphasia thornelyi Ritchie, 1909 [56] (Hydrozoa), Aglaophenia thornelyi Bedot, 1921 [57], as A. tornelyi (lapsus) (Hydrozoa), Schizoporella viridis var. thornelyi Livingstone, 1926 [58] (Bryozoa), Labioporella thornelyae Harmer, 1926 [59] (Bryozoa), Obelia thornelyi Nutting, 1927 [60] (Hydrozoa), and Calyptotheca thornelyae Dumont, 1981 [61] (Bryozoa). In founding the genus Thornelya, the distinguished British zoologist Sir Sidney Frederic Harmer, KBE, FRS (1862–1950) added the following tribute: “Named for Miss Thornely, whose specimens, presented to the British and Cambridge Museums, have been of great value to me in the preparation of this report” [54]. That generic name is currently taken to be valid.

Funding

This research was funded by United States National Science Foundation Program Partnerships for Enhancing Expertise in Taxonomy (PEET).

Acknowledgments

The help of Ray Lampert in locating information on the life of Laura Thornely is deeply appreciated and acknowledged. Sincere gratitude is also expressed to the six anonymous referees for their constructive reviews of the original manuscript. Particular thanks are likewise extended to Jo Klett, University Archivist at the University of Liverpool, Judith E. Winston, Smithsonian Marine Station, Fort Pierce, Florida, Gillian Mapstone, Natural History Museum, London, Mary E. Spencer Jones, Natural History Museum, London, Tony Hunter and Maureen Smith, World Museum, National Museums Liverpool, Rev’d Nick Hallam of the Church of St. Michael and All Angels, Hawkshead, UK, and former Ambassador Tom Macan, retired British diplomat and a congregant of the church, for responding to requests for help in the search for information on Thornely.

Conflicts of Interest

The author declares no conflict of interest.

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Calder, D.R. British Naturalist Laura Roscoe Thornely (1860–1951), Taxonomist of Hydroids and Bryozoans. Taxonomy 2021, 1, 234-242. https://doi.org/10.3390/taxonomy1030017

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Calder DR. British Naturalist Laura Roscoe Thornely (1860–1951), Taxonomist of Hydroids and Bryozoans. Taxonomy. 2021; 1(3):234-242. https://doi.org/10.3390/taxonomy1030017

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Calder, Dale R. 2021. "British Naturalist Laura Roscoe Thornely (1860–1951), Taxonomist of Hydroids and Bryozoans" Taxonomy 1, no. 3: 234-242. https://doi.org/10.3390/taxonomy1030017

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Calder, D. R. (2021). British Naturalist Laura Roscoe Thornely (1860–1951), Taxonomist of Hydroids and Bryozoans. Taxonomy, 1(3), 234-242. https://doi.org/10.3390/taxonomy1030017

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