Published December 31, 2012 | Version v1
Taxonomic treatment Open

Porphyrocrinus Gislen 1925

Description

Genus Porphyrocrinus Gislén, 1925

Type species of the genus: Porphyrocrinus verrucosus Gislén, 1925

Synonymy: Porphyrocrinus Gislén, 1925: 91 –92;? Monachocrinus pars Gislén, 1933: 483–485; Porphyrocrinus A.M. Clark, 1973: 281 –282; 1982: 123; Rasmussen, 1978: T847; Roux et al., 2002: 815, 818, 824; Messing, 2007: 106–107; Hess, 2011a: T157.

Remarks. The species of the genus Porphyrocrinus have 5 arms or more with the first pinnule (or first branching) on Br8 or beyond and a basal ring with 5 conspicuous sutures. The xenomorphic stalk has proximal columnals with pentamerous symmetry and the same type of synarthry in the mesistele and dististele with a fulcral ridge of two separated segments always along the greater facet diameter.

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 15, DOI: 10.5281/zenodo.209419

Files

Files (1.2 kB)

Name Size Download all
md5:62d5880a9e56ba8a9fc8bbb9111028f8
1.2 kB Download

System files (8.8 kB)

Name Size Download all
md5:31bf75a4ac9dd42afc2f0449e88ae9d4
8.8 kB Download

Linked records

Additional details

Biodiversity

References

  • Gislen, T. (1925) Two stalked crinoids from the Kei Islands. Videnskabelige Meddelelser fra Dansk Naturhistorish Forening, 79, 85 - 95.
  • Gislen, T. (1933) A small collection of crinoids from St. Helena. Videnskabelige Meddelelser fra Dansk Naturhistorish Forening, 93, 475 - 483.
  • Clark, A. M. (1973) Some new taxa of recent stalked Crinoidea. Bulletin of the British Museum Natural History, Zoology, 25, 7, 267 - 288.
  • Rasmussen, H. W. (1978) Crinoidea, Articulata, In: R. C. Moore & Teichert C., Treatise on Invertebrate Palaeontology, Part T, Echinodermata 2, 1, Geological Society of America (Ed.), Boulder, Colorado, and University of Kansas, Lawrence, T 813 - 928.
  • Messing, C. G. (2007) The crinoid fauna (Echinodermata, Crinoidea) of Palau. Pacific Science, 61, 1, 91 - 111.
  • Hess, H. (2011 a) Bourgueticrinina. 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 146 - 158.