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词条 Aegasteroceras
释义

  1. References

{{Automatic taxobox
|image =
|taxon = Aegasteroceras
|authority = Spath, 1925
|type_species =
|type_species_authority =
}}Aegasteroceras is an extinct cephalopod genus from the Lower Jurassic belonging to the arietitid subfamily Asteroceratinae. The shell of Aegasteroceras is evolute with curve forward and meet at a broad low ventral keel.[1] Aegasteroceras, named by Spath, 1925, has been found in the Sinemurian (Lower Jurassic) of England.[1]

References

1. ^W.J. Arkell et al. 1957. Treatise on Invertebrate Paleontology. (L240)
{{Taxonbar|from=Q964299}}{{Ammonite-stub}}

3 : Ammonitida|Early Jurassic ammonites|Early Jurassic ammonites of Europe

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