Echinidae
| Echinidae Temporal range:
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|---|---|
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| Echinus melo | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Camarodonta |
| Infraorder: | Echinidea
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| Family: | Echinidae Gray, 1825 [1] |
| Genera | |
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See text | |
Echinidae is a family of sea urchins in the order Camarodonta. Members of the family are found in the Atlantic Ocean and the Antarctic.[2]
Characteristics
Members of the family Echinidae are characterized by having trigeminate ambulacra (quadrigeminate in one genus) with pairs of
pedicellariae are globiferous and have one or two pairs of lateral teeth on the narrow tubular blades.[2][3]
Genera
According to the World Register of Marine Species (WoRMS), the following genera are included in the family:[1]
- Dermechinus (Mortensen, 1942) -- 1 species
- Echinus Linnaeus, 1758 -- 9 species
- Gracilechinus (Fell & Pawson, 1966) -- 8 species
- Polyechinus (Mortensen, 1942) -- 1 species
- Sterechinus (Koehler, 1901) -- 6 species
- Pomel, 1883 † (nomen dubium)
- Desor, 1856) †
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Dermechinus horridus -
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References
- ^ a b Echinidae WoRMS. Retrieved 2011-08-28.
- ^ a b Family Echinidae Gray, 1825. The Echinoid Directory. Retrieved 2011-08-28.
- ^ True Sea-urchins (Family Echinidae) Marine Species Identification Portal. Retrieved 2011-08-28.
| Authority control databases: National |
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