Animalia > Mollusca > Cephalopoda > Piloceratidae > Expandocassinoceras > Cassinoceras arkansasense Cassinoceras arkansasenseSynonyms: Expandocassinoceras arkansasense
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Animalia > Mollusca > Cephalopoda > Piloceratidae > Expandocassinoceras > Cassinoceras arkansasense Cassinoceras arkansasenseSynonyms: Expandocassinoceras arkansasense
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