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Dinorthis quadriplicata 8602
OHosee, Fugates Hill
Length 19mm; width 24.2, hinge 17mm
Subquadrate, rounded extremities 4 or more stronger divided or undivided ribs in central part I have many of these. On the holotype there is practically no sinus on the dorsal valve.
D. transversa - Holotype 8603 - Very wide, completely unlike D. quadriplicata and a good species Length 19.5, width 29.5, Hinge 21.5 Besides its width this species differs from D. quadriplicata by its deep dorsal sulens. 2 paratypes