Suborder Micrasterina Fischer 1966 (heart urchin)

Echinoidea - Spatangoida

Full reference: A. G. Fischer. 1966. Spatangoids. Treatise on Invertebrate Paleontology, Part U. Echinodermata. Geological Society of America and University of Kansas Press, Boulder and Lawrence 3(2):U543-U628

Parent taxon: Spatangoida according to A. Kroh and A. B. Smith 2010

See also Fischer 1966 and Parma and Casadío 2005

Sister taxa: Allotoxaster, Amoraster, Apoxypetalum, Archaeopneustes, Asterostomatina, Barnumia, Brissidina, Brissoides, Cagaster, Cestobrissus, Cottreaucorys, Echinocoridae, Enichaster, Gonzalezaster, Hemiasteridae, Hemiasterina, Homoeopetalus, Hypselaster, Kertaster, Leymeriaster, Mundaster, Murraypneustes, Neoproraster, Niponaster, Nudobrissus, Orthaster, Palaeostomidae, Paleopneustina, Paraheteraster, Peraspatangus, Peroniaster, Pictaviechinus, Pliotoxaster, Pseudogibbaster, Pseudolinthia, Pseudowashitaster, Pusillaster, Royasendia, Somalechinus, Somaliasteridae, Spatagobrissus, Tessieria, Toxasteridae, Toxasterina, Wuarnia

Subtaxa: Aeropsidae Micrasteridae Ovulasteridae Plesiasteridae

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Ecology: slow-moving shallow infaunal deposit feeder-detritivore

Distribution:

• Miocene of Cuba (1 collection)

• Paleocene of Argentina (1), Austria (2), Denmark (1), Egypt (1), France (1), the Netherlands (1), Spain (2)

• Cretaceous to Paleogene of the Netherlands (2)

• Cretaceous of Antarctica (1), Argentina (1), Austria (3), Belgium (7), the Czech Republic (1), Egypt (2), France (11), Germany (42), Japan (2), the Netherlands (3), Poland (1), Serbia and Montenegro (1), Spain (62), Tunisia (2), Turkmenistan (10), the United Kingdom (4), United States (15: Arkansas, Mississippi, Texas)

Total: 180 collections including 218 occurrences

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