Published December 31, 2012 | Version v1
Taxonomic treatment Open

Feracrinus Mironov & Sorokina 1998

Description

Genus Feracrinus Mironov & Sorokina, 1998a

Type species of the genus: Feracrinus aculeatus Mironov & Sorokina, 1998a.

Synonymy: Ailsacrinus Mironov & Sorokina, 1998a: 404 –405; Feracrinus Mironov & Sorokina, 1998a: 410; Camaecrinus Mironov & Sorokina, 1998b: 21–22; Feracrinus Mironov & Sorokina, 1998b: 20; Ptilocrinus sensu lato pars. Roux et al., 2002: 822; Feracrinus Améziane & Roux, 2011: 138 –140; Roux & Lambert, 2011: 45–48, fig. 33; Hess, 2011b: T174.

Emended diagnosis. Proximal arm pattern usually 1+2 3 4 5+6 7+8 or 5+6 7 followed in middle arm by successive brachial pairs (a+b c+d …) or by a+b c d+e f …; distal arms with fewer than 5 successive muscular articulations in juvenile or small species and up to 22 in large specimens. First pinnule always on Br4. Proximal part of genital pinnules with one row of H-shaped plates. Anal cone lower or higher than oral cone. Basals fused, or basal ring with one to three sutures. Stalk symplexies and distal syzygies with well developed crenularium; symplexial crenular units 6–10 of 1–3 crenulae; distal stalk with syzygies of labyrinthic crenularium.

Notes

Published as part of Eléaume, Marc, Bohn, Jens-Michael, Roux, Michel & Améziane, Nadia, 2012, Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica, pp. 1-22 in Zootaxa 3425 on page 8, DOI: 10.5281/zenodo.209419

Files

Files (1.6 kB)

Name Size Download all
md5:eeba4c17a2a08689ca0d4f4eba615757
1.6 kB Download

System files (10.5 kB)

Name Size Download all
md5:88d7458d35582cf84cd883c3b9ff26d6
10.5 kB Download

Linked records

Additional details

Biodiversity

References

  • Mironov, A. N. & Sorokina O. A. (1998 a) Three genera of stalked crinoids of the family Hyocrinidae (Echinodermata, Crinoidea). Zoologicheskii Journal, 77, 4, 404 - 416 (in Russian).
  • Mironov, A. N. & Sorokina O. A. (1998 b) Sea lilies of the order Hyocrinida (Echinodermata, Crinoidea). Zoologicheskie Issledovavia, Moscow, 2, 1 - 117 (in Russian).
  • Ameziane, N. & Roux, M. (2011) Stalked crinoids from Southern Tasmanian Seamounts. Part 1: Family Hyocrinidae. Journal of Natural History, 45 (3), 137 - 170.
  • 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.
  • Hess, H (2011 b) Hyocrinida. In: Seldon P. (ed), Ausich W. I. (coordinating author) Treatise on Invertebrate Paleontology, Part T (Echinodermata 2, Revised), University of Kansas Press, Lawrence, Kansas 3: T 172 - 177.