| 词条 | Toxasteridae |
| 释义 |
| name = Toxasteridae | image = Toxasteridae - Heteraster oblongus.JPG | image_width = 250px | image_caption = Fossil of Heteraster oblongus from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris | fossil range = {{Fossil_range|Cretaceous}}[1] | regnum = Animalia | phylum = Echinodermata | classis = Echinoidea | superordo = Atelostomata | ordo = Spatangoida |familia=Toxasteridae | familia_authority = J. Lambert 1920 }} Toxasteridae is an extinct family of sea urchins. These slow-moving shallow infaunal deposit feeder-detritivores lived during the Cretaceous period, from 145.5 to 61.7 Ma.[1] Genera
References1. ^1 2 The Paleobiology Database {{Taxonbar|from=Q18353740}}{{paleo-echinoidea-stub}} 4 : Spatangoida|Cretaceous first appearances|Cretaceous extinctions|Cretaceous taxonomic families |
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