| 词条 | Heteraster |
| 释义 |
| name = Heteraster | image = Heteraster oblongus.jpg | image_width = 250px | image_caption = Fossil of Heteraster oblongus from Spain. | fossil range = {{Fossil_range|Cretaceous}}[1] | regnum = Animalia | phylum = Echinodermata | classis = Echinoidea | superordo = Atelostomata | ordo = Spatangoida |familia=Toxasteridae |genus=Heteraster | genus_authority = Orbigny, 1855 }} Heteraster is an extinct genus of sea urchins belonging to the family Toxasteridae. These slow-moving shallow infaunal deposit feeder-detritivores lived during the Cretaceous period. Fossils of this family have been found in the sediments of Algeria, Egypt, France, Hungary, Mexico, Peru, Portugal, Serbia and Montenegro, Spain, Switzerland and Yemen.[1] Species
References1. ^1 2 The Paleobiology Database {{Taxonbar|from=Q18349321}}{{paleo-echinoidea-stub}}2. ^Natural History Museum 4 : Spatangoida|Cretaceous echinoderms|Cretaceous animals of Africa|Fossil taxa described in 1855 |
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