Doolia, A New Genus of Nannopodidae (Crustacea: Copepoda: Harpacticoida) from off Jeju Island, Korea
Abstract
:1. Introduction
2. Materials and Methods
Specimen Collection and Morphological Examinations
3. Systematic Account
3.1. Genus Doolia, gen. nov.
3.2. Doolia ara, sp. nov.
- Exopod Endopod
- P1 0.0.022 0.020
- P2 0.0.022 0.010
- P3 0.0.022 0.010
- P4 0.0.022 0.010
4. Discussion
- Exopods of P2–P4 three-segmented … 2Exopods of P2–P4 two-segmented … 4
- Rostrum bell-shaped, anterior margin with multiple rows of long setules; P1 endopod distinctly shorter than exopod; P2 endopod two-segmented … 3Rostrum triangular, without setular ornamentations; P1 endopod extending beyond distal margin of exp-3; P2 endopod one-segmented with one apical seta … Pontopolites T.Scott, 1894
- Antennule ♀ five-segmented; P2 enp-2 with 2–3 setae; P3 endopod ♂ with apophysis … Nannopus Brady, 1880Antennule ♀ five-segmented; P2 enp-2 with one seta; P3 endopod ♂ with no modification … Doolia gen. nov.
- Antennary exopod one-segmented; P1 exopod one-segmented … Talpacoxa Corgosinho, 2012Antennary exopod absent, or represented by a seta; P1 exopod two- or, three-segmented … 5
- Antennule ♀ four-segmented; P1 endopod prehensile, distinctly longer than exopod … 6Antennule ♀ five-segmented; P1 endopod not prehensile, distinctly shorter than exopod … 7
- P2–P4 with outer spinous projection on coxa; P5 exopod and baseoendopod fused in ♀, forming a single plate with eight setae/spines … Acuticoxa Huys & Kihara, 2010P2–P4 without coxal processes; P5 biramous in ♀ … Laophontisochra George, 2002
- Rostrum with setula ornamentation around apex: antennule ♀ with aesthetasc on segment three; distal exopod segment of P1 with innermost seta much longer than inner distal spine and penicillate apically … Huntemannia Poppe, 1884Rostrum without setula ornamentation around apex: antennule ♀ with aesthetasc on segment four; distal exopod segment of P1 with innermost seta much shorter than inner distal spine and penicillate at tip … Rosacletodes Wells, 1985
Funding
Acknowledgments
Conflicts of Interest
References
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Character\Species | Doolia gen. nov. | Nannopus Brady, 1880 | Huntemannia Poppe, 1884 | Pontopolites T.Scott, 1894 | Rosacletodes Wells, 1985 | Laophontisochra George, 2002 | Acuticoxa Huys & Kihara, 2010 | Talpacoxa Corgosinho, 2012 |
---|---|---|---|---|---|---|---|---|
Rostrum | defined | fused to cephalothorax | defined | defined | defined | defined | defined | defined |
Rostral spinules | present | present | present | absent | absent | present | absent | absent |
A1 segment no., female | 4 | 5 | 5 | 6 | 5 | 4 | 4 | 5 |
A2 exopodal segment | 4 setae | 3–4 setae | 4 setae | 2-segmented; 1, 120 | 3 setae | 1 segmented or, 1 seta | absent, or 1 minute seta | 3 setae |
Mandibular exopod | 1 segment | absent | absent | 1 segment | fused, 1 seta | fused, 1 seta | fused, 1 seta | 1 segment |
Maxilliped syncoxa | 1 seta | 1 seta | 1 seta | no seta | 1 seta | no seta | no seta | no seta |
P1 exp:enp segment | 3:2 | 3:1-2 | 3:1 | 3:2 | 2:1 | 2:2 | 2:2 | 1:2 |
P2 exp:enp segment | 3:2 | 3:2 | 1–2:1 | 3:1 | 2:0 | 2:1 | 1-2:1 | 2:1 |
P3 exp:enp segment | 3:2 | 3:1-2 | 1–2:1 | 3:1 | 1:0 | 2:1 | 1-2:1 | 2:1 |
P4 exp:enp segment | 3:2 | 3:1 | 1–2:1 | 3:1 | 1:0 | 2:1 (1:1 in male) | 1:1 | 2:1 |
P3 endopod in male | no modification | with apophysis | with additional seta | with apophysis | with apophysis | no modification | unknown | with apophysis |
P5 exp:enp seta in female | 4:5 | 4–5:3–4 | 5:4 | fused to 1 plate with 10 setae | 5:6 | 4:1–3 | fused to 1 plate with 8 setae | 5:3 |
P5 exp:enp seta in male | 3:0 | 4–5:3–4 | 4:4 | 1 plate with 8 setae | 5:4 | 4:2–4 | unknown | 4:2 |
P6 seta F:M | 2:0 | 1:2–3 | 1:3 | 2:2 | 0:3 | 3:3 | 2: unknown | 0:3 |
No. of valid species | 1 | 11 | 5 | 2 | 1 | 2 | 2 | 1 |
Reference | present study | [7] | [8] | [9] | [10] | [11,12] | [4] | [13] |
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Lee, W. Doolia, A New Genus of Nannopodidae (Crustacea: Copepoda: Harpacticoida) from off Jeju Island, Korea. Diversity 2020, 12, 3. https://doi.org/10.3390/d12010003
Lee W. Doolia, A New Genus of Nannopodidae (Crustacea: Copepoda: Harpacticoida) from off Jeju Island, Korea. Diversity. 2020; 12(1):3. https://doi.org/10.3390/d12010003
Chicago/Turabian StyleLee, Wonchoel. 2020. "Doolia, A New Genus of Nannopodidae (Crustacea: Copepoda: Harpacticoida) from off Jeju Island, Korea" Diversity 12, no. 1: 3. https://doi.org/10.3390/d12010003