Bythotiaridae
Creators
Description
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
Notes
Files
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Bythotiaridae
- Kingdom
- Animalia
- Order
- Anthoathecata
- Phylum
- Cnidaria
- Taxon rank
- family
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.