Bivalvia - Arcida - Arcidae

Full reference: F. Hodson, H. K. Hodson, and G. D. Harris. 1927. Some Venezualan and Caribbean Mollusks. Bulletins of America Paleontology 13(49):1-160

Belongs to Arca umbonata according to F. Hodson et al. 1927

Sister taxa: none

Ecology: stationary epifaunal suspension feeder