Bivalvia - Modiomorphida

Full reference: J. C. W. Cope. 1996. Early Ordovician (Arenig) bivalves from the Llangynog Inlier, South Wales. Palaeontology 39(4):979

Parent taxon: Modiomorphoida according to J. J. Sepkoski 2002

Sister taxa: Ananterodonta, Brahcylyrodesma, Carminodonta, Cycloconchacea, Dulcineaia, Eurymya, Fortowensia, Junjagiana, Modiomorphoidea, Moridunia, Myoconchidae, Neofordilla, Plicatomorpha, Rimmyjmima, Tromelinodonta

Subtaxa: none

Ecology: stationary semi-infaunal suspension feeder