Pentremites
From Infogalactic: the planetary knowledge core
Pentremites |
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File:Pentremites Glen Dean Fm KY.jpg | |
Pentremites godoni from the Lower Carboniferous of Illinois. | |
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Pentremites
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Pentremites is an extinct genus of blastoid echinoderm belonging to the family Pentremitidae.[1]
Description
These echinoderms averaged a height of about 11 centimetres (4.3 in)but occasionally ranged up to about 3 times that size. They were related to the crinoids or sea lilies, living on the sea floor attached by a stalk. They 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
- Fossils (Smithsonian Handbooks) by David Ward (Page 190)
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