Leptometra is a genus of free-swimming, stemless crinoids.
Characteristics Members of this genus have no stems but have five pairs of feathery arms arising from a central concave disc. There are a number of long cirri or unbranched appendages on a low, cone-shaped dorsal ossicle, a bone-like structure in the centre of the disc.
Species The following species are recognised in the World Register of Marine Species: Leptometra celtica (McAndrew & Barrett, 1857) Leptometra phalangium (Müller, 1841)
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