Draconema Cobb 1913

• Main Authors: Kito, Kenji, Chatterjee, Tapas
• Format: Text
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Nematoda; Adenophorea; Desmodorida; Draconematidae; Draconema; Indian; Rho; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.5672066; https://zenodo.org/record/5672066

Key to species of the genus Draconema Cobb, 1913: cf., keys in Allen & Noffsinger (1978) and Rho & Kim (2004). 1. Male with 14–19 SlAT. Female with 18–24 SlAT............................................................. 2 - Male with 7–10 SlAT. Female with 9–16 SlAT............................................................... 3 2. Male cloacal setae all unevenly tapered............................................................ D. chilense - Male cloacal setae all uniformly tapered....................................................... D. ophicephalum 3. Male with 2 sublateral pairs of uniformly tapered cloacal setae and 2 subventral pairs of unevenly tapered cloacal setae... 4 - Male cloacal setae all uniformly tapered................................................................... 8 4. Male with 10–11 SvAT. Female with 12–14 SvAT......................................... D. andamanense sp. nov. - Male with 14–18 SvAT. Female with 14–19 SvAT............................................................ 5 5. Male and female with 9–13 anteriormost annules enlarged on swollen pharyngeal region. Male with short gubernaculum (16–23 μm)........................................................................................... 6 - Male and female with 15–16 anteriormost annules enlarged on swollen pharyngeal region. Male with long gubernaculum (31–44 μm)........................................................................................... 7 6. Male with gubernaculum dilated laterally in distal part.............................................. D. japonicum - Male with gubernaculum not dilated laterally in distal part.......................................... D. cephalatum 7. Male and female with 6 pairs of setae on non-annulated tail end....................................... D. brasiliense - Male and female with 7 pairs of setae on non-annulated tail end....................................... D. fluminense 8. Male cloacal flap crenate........................................................................ D. haswelli - Male cloacal flap not crenate............................................................................ 9 9. Male and female with long setae on non-annulated tail end......................................... D. antarcticum - Male and female without long setae on non-annulated tail end........................................ D. claparedii : Published as part of Kito, Kenji & Chatterjee, Tapas, 2012, New species of the genera Draconema Cobb, 1913 and Paradraconema Allen & Noffsinger, 1978 (Nematoda: Draconematidae) from the Andaman Islands, Indian Ocean, with keys to the species, pp. 78-88 in Zootaxa 3575 on page 83, DOI: 10.5281/zenodo.212555 : {"references": ["Cobb, N. A. (1913) Draconema: A remarkable genus of marine free-living nematodes. Journal of Washington Academy of Sciences, 3, 145 - 149.", "Allen, M. C. & Noffsinger, E. M. (1978) A revision of the marine nematodes of the superfamily Draconematoidea Filipjev, 1918 (Nematoda: Draconematina). University of California Publication in Zoology, 109, 1 - 133.", "Rho, H. S. & Kim, W. (2004) Redescription of the free-living marine nematode species, Draconema japonicum Kito, 1976 (Nematoda: Draconematidae), by scanning electron microscopy. Korean Journal of Biological Science, 8, 235 - 245."]}