Family TROPIOMETRIDAE
Compiler and date details
2012 - Tim O'Hara, Museum Victoria, Carlton, Victoria, Australia
2001 - Tim O'Hara, Museum Victoria, Carlton, Victoria, Australia
1995 - F.W.E. Rowe & J. Gates, Australian Museum, Sydney, New South Wales, Australia
Introduction
The family Tropiometridae is known from a single genus in the western Pacific and tropical Atlantic regions. One species is recorded from Australian waters.
The family is distinguished from other comatulids by the following combination of character states: arms ten, pinnules all prismatic, stiff, ventral peristome of pinnules covered by minute plates if any; dorsal processes absent on cirrus segments.
General References
Clark, A.H. 1947. A monograph of the existing crinoids. Vol. 1. The comatulids. Part 4b.— Superfamily Mariametrida (concluded—the family Colobometridae) and superfamily Tropiometrida (except the families Thalassometridae and Charitometridae). Bulletin of the United States National Museum 82: 1-473 pls 1-43
Rasmussen, H.W. & Sieverts-Doreck, H. 1978. Articulata. pp. T813-T1027, figs 549-619 in Moore, R.C. & Teichert, C. (eds). Treatise on Invertebrate Paleontology. Part T. Echinodermata 2. Crinoidea. Kansas : Geological Society of America and University of Kansas Press Vol. 3.
History of changes
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 15-Sep-2023 | 11-Dec-2012 | MODIFIED | ||
| 12-Feb-2010 | (import) |