Most Cited

Four bacterial strains, A-IN1^T, A-TC2^T, E-TC7^T, and K-TC2^T, isolated from soil-borne nematodes of the species Oscheius tipulae and Acrobeloides bodenheimeri, were found to represent new species of the genera Acinetobacter, Alcaligenes, Enterobacter,...

The Neotropical deer genus Mazama is characterized by homoplastic morphological characters, a high karyotypic diversity, and a polyphyletic condition. The species of the genus have been recovered into two multigeneric lineages, the subtribes Odocoile...

A new species of Pareas Wagler, 1830 is described from Dulongjiang Township, Gongshan County, Yunnan Province, China. Phylogenetically, the new species is most closely related to Pareas kaduri Bhosale, Phansalkar, Sawant, Gowande, Patel and Mirza, 20...

Zamia magnifica (Zamiaceae), a new species endemic to Sierra Norte, Oaxaca, Mexico, is described. Zamia magnifica is characterized by having a rupicolous habit, pendent leaves bearing leaflets that are densely tomentose and pink to caramel in color w...

While there are millions of reptile images available online, they are not well organized and not easily findable, accessible, interoperable, or reproducible (FAIR). More importantly, they are not standardized and thus hardly comparable. Here we prese...

The new anchovy Stolephorus horizon n. sp., described on the basis of 34 specimens collected from Fiji and Tonga, has been previously confused with Stolephorus indicus (van Hasselt, 1823) or Stolephorus scitulus (Fowler, 1911). However, the new speci...

The family Elateridae, known as click beetles, is a mega-diverse lineage of Coleoptera. Wireworms are the larval stage of click beetles, which are generalist herbivores and which are recognized as economically important pests of crops. To more effect...

Hebius beddomei (Günther, 1864) is an endemic natricine colubrid snake species from the biodiverse Western Ghats, India. A recent molecular phylogeny provided evidence for the paraphyly of the genus Hebius, with Hebius beddomei recovered as sist...

Islands—whether classic oceanic islands or habitat islands such as isolated thermal vents, mountain tops, or caves—often promote the diversification of lineages that colonize them. We examined CO1 mtDNA sequence divergences within the tai...

Based on molecular phylogenetic analyses, and also considering morphological characters, four new families are separated from the family Glomeraceae within the order Glomerales and the class Glomeromycetes. The revised family Glomeraceae comprises on...

The genus Xanthomonas primarily comprises phytopathogenic species. By carrying out deep phylo-taxonogenomics, we recently reported that the genera Xylella, Stenotrophomonas, and Pseudoxanthomonas are misclassified and belong to the genus Xanthomonas....

A reliable character system is crucial to taxonomy and systematics, and it promises valid downstream inferences, e.g., estimates of diversity and disparity, reconstruction of evolutionary history, and even stratigraphic correlations. Modern taxonomy...

We present descriptions of two newly discovered species of Myxobolus (Myxobolidae) that infect Mugil curema: Myxobolus mundauensis n. sp. found in gills and Myxobolus patriciae n. sp. found in intestines. These descriptions are based on the morpholog...

This study addresses a critical issue in plant taxonomy and phylogeny: the relationship between archaeological materials and potentially analogous living populations. Given the current limitations in definitively establishing the identity between arc...

The taxonomic status of butterfly rays within the genus Gymnura remains a subject of ongoing debate among researchers. Some authors recognize up to five valid species for the Americas, while others considered several to be synonyms, which has posed a...

A new species of the genus Diploderma Hallowell, 1861 from Qiaojia County, Zhaotong City, northeastern Yunnan Province, China, is described. Phylogenetically, the new species is placed within the D. splendidum complex and has genetic distances of 7.3...

The Canthon indigaceus species group represents a Typical Neotropical distributional pattern with wide penetration into the Mexican Transition Zone. This group consists of three species: C. (C.) indigaceus LeConte; C. (C.) chiapas Robinson; and...

The location of Israel at the junction of three continents leads to a unique fauna of both Palearctic and Afrotropical zoogeographic origins. Following systematic revisions over the past sixty years and the discovery of new species, the only availabl...

In this study a new species of Gonolobus, G. villasenorii, is described. It is endemic to Sinaloa, Mexico, distributed in the Sierra Madre Occidental in pine–oak forest. This species is characterized by the presence of lanceolate sepals, margin...

The Nearctic family Hahniidae is seldom found in South America; only 20 species occur on the continent. Herein, we present the first record of the family in mainland Ecuador, with the description of thirteen new species in five different genera. In A...

Precise identification of diatom species is fundamental to correctly interpreting their roles in the marine ecosystems; the documentation of species records with illustrations is therefore essential to guarantee ecological works and the continuous us...

The type material of Xenesthis colombiana Simon, 1891, X. immanis Ausserer, 1875, and X. monstrosa Pocock, 1903, are redescribed, with additional specimens of X. colombiana recorded. A neotype is designated for Xenesthis intermedia Schiapelli and Ger...

The Holarctic ground beetle genus Trechus Clairville, 1806, is highly diverse in the Ethiopian highlands, both in terms of species numbers and morphology. Particularly noteworthy are the extraordinarily large species of the subgenus Abyssinotus Qu&ea...

Confusion between the means and ends, specifically between technological achievements and their users, has been evident in taxonomy’s history since the end of the last century. Following a current of thought implicit in Anglo-Saxon culture, thi...

Actinomycetes are known to produce a vast array of bioactive secondary metabolites with potential therapeutic applications, including antimicrobials, anticancer agents, and enzyme inhibitors. Among these, members of the genus Nonomuraea have received...

The freshwater Pannus genus comprises cyanobacterial unicellular species with a particular morphology, forming free-floating rounded colonies with thin, homogenous, and colorless colonial mucilage. There is little literature on the taxonomy of the Pa...

Impatiens reidii Hook.f., a presumed extinct and Kumaon endemic species only known from its type collection in 1886, is rediscovered from near type locality after a gap of 138 years. The identity of the historically ambiguous name Impatiens tingens E...

In this paper, Sedum yongkangense is described as a new species based on morphological and molecular analyses, and its taxonomic relationships are discussed. Morphological analysis indicates S. yongkangense should be classified in the genus Sedum L....

We describe three new species: Canthon mezcalis Moctezuma, Sánchez-Huerta, and Halffter sp. nov. from the Valles Centrales region in Oaxaca, Mexico; Canthon hondurensis Moctezuma and Sánchez-Huerta sp. nov. from Honduras; and Canthon wo...

Marilia is the most diverse genus of the caddisfly family Odontoceridae, being distributed throughout the Oriental, Australasian and Neotropical regions. Herein, we describe four new Neotropical species from the Atlantic Forest, Rio Doce basin, Brazi...

A new species in the Chrysis leachii group from Cyprus, Chrysis kalliroi Rosa & Makris, sp. Nov., is described. Distribution, illustrations, and a key to the Cypriot members of this species group are provided. Chrysis lanceolata Linsenmaier, 1959...

Amana, commonly known as ‘East Asian tulips’, has recently been found to harbor cryptic diversity due to recent field work and systematic investigations. In this study, we included 64 populations from all 12 Amana species and performed mi...

Strumigenys is one of the largest genera of ants, and one of the few which has received relatively recent global taxonomic treatment at the species level. Despite this, many new species continue to be found in most biogeographic regions. Strumigenys ...

The long-horn bee genus Tetralonia consists of 35 Western Palaearctic species that are associated mostly with the family Asteraceae as host plants. A minority of the species are, however, exclusively associated with other host plants that have partic...

We describe a new species of terrestrial-breeding frog of the genus Pristimantis from the Peruvian Yungas ecoregion of central Peru, Junin Department. The description is based on the observation of morphological features, color patterns of fourteen s...

The necessity of the typification of the Apocynum L. s.l. (incl. Poacynum Baill. and Trachomitum Woodson) (Apocynaceae) species is crucial for future dogbane diversity estimations. Still, the original material of many taxa of the genus Apocynum s.l....

Parasitic otitis is an inflammatory process that can affect the external to internal cattle ear, causing discomfort in animals, impairing performance, and even leading to animal death. The infection was initially associated with nematodes of the Rhab...

Brevinasia gen. n., a new genus of edaphic weevils with 14 species from the South African provinces of Western Cape, Eastern Cape, KwaZulu-Natal, and Limpopo, is described. The genus is described and illustrated, its taxonomic placement is discussed,...

This study presents the first record of T. lindbergi from the southwestern Atlantic Ocean, based on specimens collected from the smalleye croaker Nebris microps Cuvier (Sciaenidae), off the coast of Maranhão Island, State of Maranhão, B...

The genus Strumigenys is the third most diverse among ants, having been reviewed globally. Despite this comprehensive review, new species are frequently discovered in most biogeographic regions. Here, we describe two new species, Strumigenys itannae...

I suggest two ways to make taxonomic diagnoses more useful: they should state overtly (1) what taxa the new one is diagnosed against, I term this the reference group; and (2) how to identify the reference group from others in the higher-level group t...

Past efforts to identify and characterize minimally monophyletic groups (microgenera) by deconstructing larger bryophyte genera successfully determined 10 microgenera comprising the moss family Streptotrichaceae. Thirty other microgenera have also be...

The deep-sea snailfish Careproctus bathycoetus Gilbert et Burke, 1912 was described a century ago from a single specimen caught at a depth of 3292 m in the Kuril Basin (southern Sea of Okhotsk, western North Pacific). Until now, it was known from the...

(1) Background: Tabanids are one of the most neglected and difficult-to-identify groups within the order Diptera despite their medical–veterinary importance. Since 2010, DNA barcoding has proved to be a promising method for the identification o...

(1) Background: Although Physaloptera retusa is one of the most widespread species infecting reptiles in the Americas, numerous taxonomic problems and little genetic data are associated with it. To clarify the taxonomy of this species, we used an int...

Among European colubroids, scale sensilla—mechanoreceptors present in the head integument—are more expressed in natricids. The presence of protruded sensilla, observable with the naked eye, is found in the cephalic shields of all species...

Ostariophysi is the second largest superorder of fishes, formed almost exclusively by freshwater species, with 102 families, 1372 genera, and 11,883 species, thus containing approximately 30% of the known fish species in the world and almost 70% of t...

Three new species of Trichorhina are described from iron ore caves in the Serra dos Carajás Mountain Range, located in the Amazon Forest, Brazil. Trichorhina tucupi n. sp. occurs in Serra Leste, Serra da Bocaina and Serra do Tarzan Mountain Ra...

The authors have completed the study of the genera Cervellaea Borovec & Meregalli, 2021, and Namaquania Borovec & Meregalli, 2021, two of the seven genera of the tribe Namaini Meregalli & Borovec, 2021. The type species of the two genera...

The freshwater cyanobacterium Raphidiopsis raciborskii is an invasive species that was originally described as tropical and is now widely distributed in temperate regions. The current taxonomic position was established based on a multilevel approach...