Sowerbyella

Sowerbyella rugosa
SMH collection
Scale bar is 5 mm
Species
Sowerbyella rugosa (Meek, 1873)
Occurrence: Fulton, Economy, Southgate, McMicken
Reference: Howe, 1979; Cocks and Rong, 1989; Schwimmer and Sandy, 1996
Originally known as Plectambonites rugosa