Chaetasteridae Sladen, 1889
|
publication ID |
https://doi.org/ 10.11646/zootaxa.4858.1.11 |
|
publication LSID |
lsid:zoobank.org:pub:93DB37F6-2564-4E3A-AA25-4A842994BE68 |
|
DOI |
https://doi.org/10.5281/zenodo.4411403 |
|
persistent identifier |
https://treatment.plazi.org/id/0397B63B-5272-FFDA-FF13-F890675CFF5D |
|
treatment provided by |
Plazi |
|
scientific name |
Chaetasteridae Sladen, 1889 |
| status |
|
Family Chaetasteridae Sladen, 1889 View in CoL
Amended diagnosis. Arms long, narrow, subcylindrical, disc small, interradii acutely angled. Arms constructed of 7 to 13 well defined rows of extraxial ossicles; abactinal, marginal and actinal ossicles of the arm of similar size, all carry raised central ridge. Abactinal ossicles of disc small, round to oval. (modified from Clark & Downey, 1992).
Included genera. Chaetaster Müller & Troschel, 1842 , Arthraster Forbes, 1848 .
Remarks. The diagnosis of this small family, previously unknown in the fossil record, is amended here to include the Cretaceous genus Arthraster .
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.