Pentremites
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Pentremites is an extinct genus of blastoid echinoderm belonging to the family Pentremitidae.[1]
Description
These stalked echinoderms averaged a height of about Script error: No such module "convert". but occasionally ranged up to about 3 times that size. They, like other blastoids, superficially resemble their distant relatives, the crinoids or sea lilies, having a near-identical, planktivorous lifestyle living on the sea floor attached by a stalk. As with all other blastoids, species of Pentremites trapped food floating in the currents by means of tentacle-like appendages.[2]
Pentremites species lived in the early to middle Carboniferous, from 360.7 to 314.6 Ma. Its fossils are known from North America.[1]
References
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- ↑ a b Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
- ↑ Museum of Victoria
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- Fossils (Smithsonian Handbooks) by David Ward (Page 190)