| 词条 | Protremaster |
| 释义 |
| name = Protremaster | image = | image_caption = | fossil_range = Early Jurassic | regnum = Animalia | phylum = Echinodermata | subphylum = Eleutherozoa | classis = Asteroidea | ordo = Valvatida | familia = Asterinidae | genus = Protremaster | genus_authority = Smith and Tranter 1985 | type_species = Protremaster universalis | type_species_authority = Smith and Tranter 1985 }} Protremaster is an extinct genus of sea stars that lived in the Early Jurassic (Age range: 196.5 to 189.6 Ma). Its fossils have been found in the Lully Foothills Formation of Antarctica. SourcesExternal links
4 : Valvatida|Prehistoric starfish genera|Jurassic echinoderms|Extinct animals of Antarctica |
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