Bythotiaridae

• Main Authors: Zhenzu Xu, Jiaqi Huang, Lin, Mao, Donghui Guo, Chunguang Wang
• Format: Text
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Anthoathecata; Bythotiaridae; Arctic; Bismarck; George Murray; Oceana
• Online Access: https://dx.doi.org/10.5281/zenodo.6085990; https://zenodo.org/record/6085990

Key to the genera of Bythotiaridae medusae of South China Sea. 1. Centripetal canals present, blindly ending or joining base of manubrium............................................................................................ 2 Without centripetal canals.................................................................................................................................................................... 3 2. All tentacles hollow; cnidocysts only in the terminal knob........................................................................... Calycopsis Fewkes, 1882 Two kinds of tentacles, large, hollow, with rings of cnidocysts and a terminal knob, and small, solid dwarf tentacles without terminal knob................................................................................................................................................ Eumedusa Bigelow, 1920 3. Radial canals simple, unbranched........................................................................................................................................................ 4 Radial canals branched; gonads folded or smooth............................................................................................................................... 6 4. Gonads smooth adradial............................................................................................................................ Pseudotiara Bouillon, 1980 Gonads smooth interradial................................................................................................................................................................... 5 5. 8 radial canals; marginal tentacles with abaxial basal ocelli........................................................................... Bythocellata Nair, 1951 4 radial canals; no ocelli............................................................................................................................. Protiaropsis Stechow, 1919 6. Radial canals branching repeatedly at various levels........................................................................................... Sibogita Maas, 1905 Radial canals simple or bifurcated....................................................................................................................................................... 7 7. 4 radial canals simple or bifurcated; gonads interradial, with transverse furrows; marginal bulbs absent..... Bythotira Günther, 1903 2 simple and 2 bifurcated radial canals; gonads smooth perradial; marginal tentacles with basal swellings embedded in mesoglea......................................................................................................................................................... Gymnogonium Xu & Huang, 1994 : Published as part of Zhenzu Xu, Jiaqi Huang, Mao Lin, Donghui Guo & Chunguang Wang, 2016, Taxonomic notes on Hydroidomedusae (Cnidaria) from South China Sea II: Family Bythotiaridae (Anthomedusae), pp. 149-157 in Zoological Systematics 41 (2) on page 151, DOI: 10.11865/zs.2016013, http://zenodo.org/record/270289 : {"references": ["Bigelow, H. B. 1920. Medusae and Ctenophores from the Canadian Arctic Expedition, 1913 - 18. Report of the Canadian Arctic Expedition 1913 - 18, 8 (H): 1 - 22.", "Bouillon, J. 1980. Hydromeduses de la mer de Bismarck (Papouasie, Nouvelle-Guinee). Partie III: Anthomedusae - Filifera (Hydrozoa- Cnidaria). Cahiers de Biologic Marine, 21 (3): 307 - 344.", "Stechow, E. 1919. Zur Kenntnis der Hydroidenfauna des Mittelmeeres, Amerikas und anderer Gebiete, nebst Angaben uber einige Kirchenpauper'sche Typen von Plumulariden. Zoologische Jahrbucher, Systematik, 42 (1 - 3): 1 - 172.", "Maas, O. 1905. Die Craspedoten Medusen der Siboga-Expeditie. Siboga-Expeditie, 10: 1 - 84.", "Gunther, R. T. 1903. Report on the Coelenterata from the intermediate waters of the N Atlantic, obtained by Mr. George Murray during the Cruise of the ' Oceana' in 1898. Annals and Magazine of Natural History, (7) 11: 420 - 430, pls. 9 - 10.", "Xu, Z. Z., Huang, J. Q. 1994. A new genus and two new species of Hydroidomedusae from Taiwan Strait. Journal of Xiamen University (Natural Science), 33 (Sup.): 149 - 153."]}