Cephalopoda - Agoniatitida - Gephuroceratidae

Alternative combinations: Ammonites retrorsus, Goniatites retrorsus

Belongs to Trimanticoceras according to M. R. House 2002

See also Korn and Klug 2002

Sister taxa: Trimanticoceras bisulcatum, Trimanticoceras cinctum

Subtaxa: Goniatites retrorsus brilonensis

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Average measurements (in mm): shell diameter 6.50

Distribution: found only at Waterside Cove (Devonian of the United Kingdom)

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Specimen images are retrieved through the ePANDDA API.