Actinocrinites sp. a fossil crinoid
Actinocrinites has a calyx which is conical and elongated and a rigid, domed tegmen made of numberous small plates. The calyx is monocyclic, I.e. a basal circle of plates supports the radial circlet
Picture No
10986956
Media ID
47650297
Size
1486px x 1282px
(1.3MB)
Credit
Mary Evans / Natural History Museum
Source
The Natural History Museum, London
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