Paradraconema Allen and Noffsinger 1978

• Main Authors: Kito, Kenji, Chatterjee, Tapas
• Format: Text
• Language: unknown
• Published: Zenodo 2012
• Subjects: Biodiversity; Taxonomy; Animalia; Nematoda; Adenophorea; Desmodorida; Draconematidae; Paradraconema; Indian; Rho; Antarc*
• Online Access: https://dx.doi.org/10.5281/zenodo.5672070; https://zenodo.org/record/5672070

Key to species of the genus Paradraconema Allen and Noffsinger, 1978: cf., key in Allen and Noffsinger (1978) and taxonomic discussion in Rho & Kim (2005). 1. Male with elongate loop-shaped or elongate uni-spiral amphids. Female with elongate loop-shaped or uni-spiral amphids.. 2 - Male with doubled elongate spiral amphids. Female with doubled circular or elongate spiral amphids.................. 10 2. Male and female with longitudinally areolated annules on swollen pharyngeal region............................... 3 - Male and female without longitudinally areolated annules on swollen pharyngeal region............................. 7 3. Male with precloacal Acan-set or Corn-set. Female with 15–20 SvAT............................................ 4 - Male without precloacal Acan-set or Corn-set. Female with 24–30 SvAT................................ P. spinosum 4. Male with 1 subventral pair of precloacal Acan-set. Female with 12–14 SlAT...................................... 5 - Male with single ventral precloacal Corn-set. Female with 17–18 SlAT.................................... P. hopperi 5. Male and female with prominent eyespots................................................................. 6 - Male and female with obscure eyespots........................................................ P. singaporense 6. Male with cylindrical cloacal region and conical tail gradually narrowing................................ P. floridense - Male with remarkably enlarged cloacal region and conico-cylindrical tail abruptly narrowing...... P. pachylumbus sp. nov. 7. Male and female with Ceph Acan-set on posterior 1 / 3 of rostrum............................................... 8 - Male and female with Ceph Acan-set about mid-rostrum...................................................... 9 8. Male with single ventral precloacal Corn-set. Female with elongate loop-shaped amphids................. P. meridionale - Male with 1 subventral pair of precloacal Corn-set. Female with uni-spiral amphids.......................... P. newelli 9. Male with single ventral precloacal Acan-set. Female with 21–22 SvAT............................... P. californicum - Male without precloacal Acan-set or Corn-set. Female with 15–18 SvAT................................ P. maggentii 10. Male and female with 1 pair of Ceph Acan-set and no eyespots......................................... P. jejuense - Male and female with 2 pairs of Ceph Acan-set and prominent eyespots............................... P. antarcticum : 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 87, DOI: 10.5281/zenodo.212555 : {"references": ["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. (2005) Paradraconema jejuense, a new species of Genus Paradraconema (Nematoda: Draconematidae) from Korea. The Korean Journal of Systematic Zoology, 21, 81 - 91."]}