Biology:Cephalodiscida
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Short description: Order in the class Pterobranchia in the phylum Hemichordata
| Cephalodiscida | |
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| Cephalodiscus dodecalophus | |
| Scientific classification | |
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| Order: | Cephalodiscida
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| Family: | Harmer 1905
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Cephalodiscida is one of two orders in the class Pterobranchia, which are small, worm-shaped animals. Members belong to the hemichordates.[1][2] Species in this order are sessile, living in clear water and secrete tubes on the ocean floor.[3]
Taxonomy
The order is a small one, with only two known families, each containing a single genus. The validity of the family Atubaridae, who has only a sole member, is regarded as questionable.[4]
- Order Cephalodiscida Fowler 1892[5]
- Family Cephalodiscidae Harmer 1905
- Genus †Aellograptus Obut 1964
- Genus †Eocephalodiscus Kozlowski 1938 ex Kozlowski 1949
- Genus †Melanostrophus Öpik 1930 ex Öpik 1933
- Genus †Pterobranchites Kozlowski 1967
- Genus Atubaria Sato 1936
- Genus Cephalodiscus M'Intosh 1882
- Family Cephalodiscidae Harmer 1905
References
- ↑ animaldiversity.ummz.umich.edu
- ↑ Eol.org
- ↑ Shipley, A.E. (1902). Zoology: An Elementary Textbook. Cambridge: Cambridge University Press.
- ↑ Halanych, K. M. (1996-02-01). "Convergence in the Feeding Apparatuses of Lophophorates and Pterobranch Hemichordates Revealed by 18S rDNA: An Interpretation". The Biological Bulletin 190 (1): 1–5. doi:10.2307/1542669. ISSN 0006-3185. https://www.journals.uchicago.edu/doi/10.2307/1542669.
- ↑ Maletz, Jörg (2014). "The classification of the Pterobranchia (Cephalodiscida and Graptolithina)". Bulletin of Geosciences 89 (3): 477–540. doi:10.3140/bull.geosci.1465. ISSN 1214-1119.
Harmer. S. F. 1905. The Pterobranchia ol the Siboga-Expedition. Siboga Exped. Monogr. 26. 1-131
Wikidata ☰ Q5063285 entry
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