'Crinoidal Limestone'

Scale bar = 5cm

Description

Middle Devonian, Old Red Sst. & Devonian Lst.
Torquay
Devon
England
M3252
Description:

This is a pollished piece of limestone containing numerous ossicles (stem sections) of a crinoid (Greek word krinon, "a lily", and eidos, "form") a type of suspension feeding echinoderm, a group that includes starfish and sea urchins.
Moore, C.

Classification

Echinodermata
Crinozoa
Crinoidea
Crinoidea order
Crinoidea family
Crinoid
sp.
X