Commune · Nature
Astraspis
Genus of fishes (fossil)
Astraspis ('star shield') is an extinct, monotypic genus of primitive jawless fish from the Ordovician of Central North America including the Harding Sandstone of Colorado and Bighorn Mountains of Wyoming. It is also known from Bolivia.
Sur Wikipédia
Texte en anglais Pas encore d'article dans ta langue : extrait en anglais.
Astraspis ('star shield') is an extinct, monotypic genus of primitive jawless fish from the Ordovician of Central North America including the Harding Sandstone of Colorado and Bighorn Mountains of Wyoming. It is also known from Bolivia. It is related to other Ordovician fishes, such as the South American Sacabambaspis, and the Australian Arandaspis.
Texte : Wikipédia en anglais, CC BY-SA 4.0. · Image : Stanton F. Fink (CC BY-SA 2.5) ·
