perekond

Asteriacites Schlotheim, 1820

Taksoni kirjeldused

Knaust & Neuman, 2016

Diagnosis: Star-shaped, commonly pentamerous imprintsand shallowly excavated pitswith arms gradingfrom a central areaand continuously tapering distally(emended after Seilacher, 1953

Fernández et al., 2019

Diagnosis. Star-shaped, commonly pentamerous imprints and shallowly excavated pits with arms grading from a central area and continuously tapering distally (modified by Knaust and Neumann, 2016).

Klassifikatsioon