The Micropygidae form a family of sea urchins within the Diadematoida order of echinoderms. The family contains two living species of the genus Micropyga and one, Kierechinus, known only from fossils.[1] Morphologically, they are quite flat and have short, sharp spines, which are close to each other. They occur in the Indian and Pacific Oceans.
| Micropygidae | |
|---|---|
| |
| Micropyga tuberculata | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Diadematoida |
| Family: | Micropygidae |
| Genera | |
| Genus | Author genus | Species | Author species | Age |
|---|---|---|---|---|
| Kierechinus | Philip, 1963 | K. melo | (Kier, 1957) | Ypresian |
| Micropyga | Agassiz, 1879 | M. tuberculata | Agassiz, 1879 | extant |
| M. violacea | de Meijere, 1903 | extant |
References
edit- ^ O'Hara, Timothy; Byrne, Maria (June 2017). Australian Echinoderms: Biology, Ecology and Evolution. Csiro Publishing. pp. 372–373. ISBN 978-1-4863-0763-0.
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