Echinoidea - Spatangoida - Somaliasteridae
Full reference: C. D. Wagner and J. W. Durham. 1966. Holasteroids. Treatise on Invertebrate Paleontology,Part U Echinodermata 3. The Geological Society of America and The University of Kansas Press 2:U523-U543
Parent taxon: Spatangoida according to A. Kroh and A. B. Smith 2010
See also Wagner and Durham 1966
Sister taxa: Allotoxaster, Amoraster, Apoxypetalum, Archaeopneustes, Asterostomatina, Barnumia, Brissidina, Brissoides, Cagaster, Cestobrissus, Cottreaucorys, Echinocoridae, Enichaster, Gonzalezaster, Hemiasteridae, Hemiasterina, Homoeopetalus, Hypselaster, Kertaster, Leymeriaster, Micrasterina, Mundaster, Murraypneustes, Neoproraster, Niponaster, Nudobrissus, Orthaster, Palaeostomidae, Paleopneustina, Paraheteraster, Peraspatangus, Peroniaster, Pictaviechinus, Pliotoxaster, Pseudogibbaster, Pseudolinthia, Pseudowashitaster, Pusillaster, Royasendia, Somalechinus, Spatagobrissus, Tessieria, Toxasteridae, Toxasterina, Wuarnia
Subtaxa: Brightonia Iraniaster Leviechinus Somaliaster
Type: Somaliaster
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution:
• Cretaceous of Iran (1 collection), Oman (1), Saudi Arabia (5), the United Kingdom (2)
Total: 9 collections each including a single occurrence