Leptometra
Genus of crinoids
| Leptometra | |
|---|---|
 | |
| Leptometra celtica | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Crinoidea |
| Order: | Comatulida |
| 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]
- Leptometra celtica (McAndrew & Barrett, 1857)
- Leptometra phalangium (Müller, 1841)
References
- ^ a b Leptometra - AH Clark, 1908 World Register of Marine Species. Retrieved 2013-12-03.
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