Biddulphia - Biddulphiaceae

Alternative combination: Triceratium semicirculare

Belongs to Biddulphia according to G. Andrews 1976

Sister taxa: Biddulphia aurita, Biddulphia tuomeyi

Distribution: found only at Calvert Cliffs Nuclear Power Plant, Zone 17 (Miocene of Maryland)

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Specimen images are retrieved through the ePANDDA API.