J. S.  Crampton, ?Comparative taxonomy of the bivalve families Isognomonidae, Inoceramidae, and Retroceramidae?, Palaeontology, vol. 31, pp. 965-996, 1988.

J. S.  Crampton, ?Comparative taxonomy of the bivalve families Isognomonidae, Inoceramidae, and Retroceramidae?, Palaeontology, vol. 31, pp. 965-996, 1988.