Idonearca
(a subgenus of Cucullaea)
Species
Idonearca sp.
Occurrence: Carmel
Reference: Imlay, 1964
Ideonarca sp.
Photograph from Imlay, 1964
Idonearca haguei (Stanton 1899)
Occurrence: Sliderock and Rich Members of Twin Creek Limestone; lower Sundance at Lower Slide Lake and Sykes Mountain
Originally named Cypricardia? haguei; includes ?Cucullaea livingstonensis
Reference: Imlay, 1967
Idonearca haguei
Photograph from Imlay, 1967
