Published March 21, 2018 | Version v1
Taxonomic treatment Open

Asteronychidae Ljungman 1867

Description

Family Asteronychidae Ljungman, 1867

Type genus

Asteronyx Müller & Troschel, 1842 (type species: A. loveni Müller & Troschel, 1842).

Other genera

Astrodia Verrill, 1899b, Astronebris Downey, 1967, Ophioschiza H.L. Clark, 1911.

Diagnosis

Dorsal disc with thickened skin, few or no scales, radial shields bar-like, almost meeting in disc centre. Long, tapering arms, covered by thickened skin, lacking dorsal plates. Multiple columns of spiniform teeth, dental plate entire. Arms not branching. All vertebrae without oral bridge. Gonads restricted to disc. Arm spine articulation as slightly tumid regular stereom with large oval or round opening.

Notes

Published as part of Stöhr, Sabine, Hugall, Andrew F., Thuy, Ben & Martynov, Alexander, 2018, Morphological diagnoses of higher taxa in Ophiuroidea (Echinodermata) in support of a new classification, pp. 1-35 in European Journal of Taxonomy 416 on pages 6-7, DOI: 10.5852/ejt.2018.416, http://zenodo.org/record/3806109

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Linked records

Additional details

Biodiversity

References

  • Ljungman A. V. 1867. Ophiuroidea viventia huc usque cognita. Ofversigt af Kungliga Vetenskaps- Akademiens Forhandlingar 1866 23: 303 - 336.
  • Muller J. H. & Troschel F. H. 1842. System der Asteriden. Vieweg & Sohn, Braunschweig.
  • Verrill A. E. 1899 b. North American Ophiuroidea. I. - Revision of certain families and genera of West Indian Ophiurans. II. - A faunal catalogue of the known species of West Indian Ophiurans. Transactions of the Connecticut Academy 10: 301 - 386.
  • Downey M. E. 1967. Astronebris tatafilius (Euryale: Asteronychidae), a new genus and species of ophiuroid from the Aleutians, with a revised key to the family Asteronychidae. Proceedings of the Biological Society of Washington 80: 41 - 46.
  • Clark H. L. 1911. North Pacific Ophiurans in the collection of the United States National Museum. Smithsonian Institution United States National Museum Bulletin 75: 1 - 302.