Valhalloceras Evans & King 1990
Genus Valhalloceras Evans & King, 1990 Type species Valhalloceras floweri Evans & King, 1990 from the Olenidsletta Member, Blackhillsian, Floian; by original designation. Diagnosis Small exogastrically curved conch with subtriangular conch cross section, venter obtusely rounded; lateral side...
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Zenodo
2021
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Online Access: | https://dx.doi.org/10.5281/zenodo.5793610 https://zenodo.org/record/5793610 |