Eocrinoidea
| Eocrinoidea Temporal range:
| |
|---|---|
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| Eocrinoid holdfasts (Middle Ordovician, Utah) | |
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| Colourful reconstruction of Gogia ojenai | |
Scientific classification
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Subphylum: | †Blastozoa |
| Class: | †Eocrinoidea Jaekel, 1899 |
| Groups included | |
| |
| Cladistically included but traditionally excluded taxa | |
The Eocrinoidea are an extinct class of echinoderms that lived between the Early Cambrian and Late Silurian periods. They are the earliest known group of stalked, arm-bearing echinoderms, and were the most common echinoderms during the Cambrian.
Eocrinoids were a
List of echinodermata orders
.
References
- ^ Prothero, D.R.,2004, Bringing Fossils to Life; An Introduction to Paleobiology (2 ed.):New York, The McGraw-Hill companies, p. 324
- ISBN 978-0-03-056747-6.
- ^ Rozhnov, S.V. 2009. Eocrinoids and paracrinoids of the Baltic Ordovician basin: a biogeographical report. IGCP Meeting, Ordovician palaeogeography and palaeoclimate, Copenhagen, p. 16.
- ^ Rozhnov, S.V. and Kushlina, V.B. 1994. Interpretation of new data on Bolboporites Pander, 1830 (Echinodermata; Ordovician), p. 179-180, in David, B., Guille, A., Féral, J.-P. & Roux, M. (eds.), Echinoderms through time (Balkema, Rotterdam).
External links
- Palaeos on Eocrinoids
- Evolutionary palaeoecology of early epifaunal echinoderms
- Cambrian explosion with Eocrinoid information Archived 2006-09-12 at the Wayback Machine
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