Bivalvia - Lucinida - Lucinidae

Alternative combination: Phacoides meganosensis

Full reference: B.L. Clark and A.O. Woodford. 1927. The geology and paleontology of the type section of the Meganos Formation (lower Middle Eocene) of California . University of California Publications in Geological Sciences 17(2):63-142

Belongs to Miltha (Miltha) according to E. J. Moore 1988

Sister taxa: Miltha (Miltha) caloosaensis, Miltha (Miltha) carmenae, Miltha (Miltha) childrenae, Miltha (Miltha) sanctaecrucis, Miltha (Miltha) xantusi

Ecology: facultatively mobile deep infaunal chemosymbiotic