Thalassocrinus A.H. Clark 1911
Creators
Description
Genus Thalassocrinus A.H. Clark, 1911
Type species of the genus: Thalassocrinus pontifer A.H. Clark, 1911.
Synonymy: A.H. Clark, 1911: 174; 1915: 160; Gislén, 1939: 13; Roux, 1980: 40–42; Mironov & Sorokina, 1998: 34; Roux, 2002: 174; Roux & Lambert, 2011: 48, 51.
Remarks. Roux & Lambert (2011) suspected Thalassocrinus to be a polyphyletic genus. They pointed out significant differences in anal sac features that suggested close affinities between (1) T. pontifer and Hyocrinus bethellianus Thomson, 1876, (2) T. alvinae Roux, 2002, and T. clausus Mironov & Sorokina, 1998, and (3) T. mironovi Roux, 2002, and Laubiericrinus pentagonalis Roux, 2004. Molecular phylogeny (Roux et al. 2013) confirmed that T. pontifer and H. bethellianus are closely related. DNA sequences from the four other species need to be added to get a better understanding of the interrelationships between these species. The genus Thalassocrinus sensu lato is therefore provisionally maintained.
Notes
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Hyocrinidae
- Genus
- Thalassocrinus
- Kingdom
- Animalia
- Order
- Hyocrinida
- Phylum
- Echinodermata
- Scientific name authorship
- A.H. Clark
- Taxon rank
- genus
- Taxonomic concept label
- Thalassocrinus Clark, 1911 sec. Roux, 2015
References
- Clark, A. H. (1911) Thalassocrinus, a new genus of stalked crinoids from East Indies. Proceedings of the United States national Museum, 39, 473 - 476. http: // dx. doi. org / 10.5479 / si. 00963801.39 - 1793.473
- Gislen, T. (1939) On the young of a stalked deep-sea crinoid and the affinities of the Hyocrinidae. Lunds Universitets Arsskrift, N. F., 34 (17), 1 - 18.
- Mironov, A. N. & Sorokina, O. A. (1998) Sea lilies of the order Hyocrinida (Echinodermata, Crinoidea). Zoologicheskie Issledovania, 2, 1 - 117. [in Russian]
- Roux, M. & Lambert, P. (2011) Two new species of stalked crinoids from the north-eastern Pacific in the genera Gephyrocrinus and Ptilocrinus (Echinodermata, Crinoidea, Hyocrinidae). Effects of ontogeny and variability on hyocrinid taxonomy. Zootaxa, 2825, 1 - 54.
- Thomson, C. W. (1876) Notice on new living crinoids belonging to the Apiocrinidae. Journal of the Linnean Society of London, 13, 47 - 55. http: // dx. doi. org / 10.1111 / j. 1096 - 3642.1876. tb 00208. x
- Roux, M. (2004) New hyocrinid crinoids (Echinodermata) from submersible investigations in the Pacific Ocean. Pacific Science, 58 (4), 597 - 613. http: // dx. doi. org / 10.1353 / psc. 2004.0042
- Roux, M., Eleaume, M., Hemery, L. G. & Ameziane, N. (2013) When morphology meets molecular data in crinoid phylogeny: a challenge. Cahiers de Biologie Marine, 54, 541 - 548.