Leptometra

Leptometra
Leptometra celtica
Scientific classification
Kingdom: Animalia
Phylum: Echinodermata
Class: Crinoidea
Subclass: Articulata
Family: Antedonidae
Genus: Leptometra
A. H. Clark, 1908 [1]
Species
See text.

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:[1]

References

  1. 1 2 Leptometra - AH Clark, 1908 World Register of Marine Species. Retrieved 2013-12-03.


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