See also Sepkoski 2002
Sister taxa: Asketomorpha, Cardiomorpha, Cercomyopsis, Cimitaria, Cuneamya, Cuneamyinae, Ectogrammysia, Fuchsella, Glyptoconcha, Grammysia, Grammysiinae, Grammysioidea, Prothyris, Sedgwickia, Solenomorpha, Zaidiomysia
Ecology: facultatively mobile infaunal suspension feeder
• Devonian of United States (1: Pennsylvania collection)
• Ordovician of Argentina (1)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.