Hoare, R.D.; Steinker, P.J.; Mapes, R.H. (1988). New Carboniferous species of Hippocardia (Rostroconchia, Mollusca) from the Midcontinent, USA. Journal of Paleontology. 62(6): 865-868.
456091
Hoare, R.D.; Steinker, P.J.; Mapes, R.H.
1988
New Carboniferous species of Hippocardia (Rostroconchia, Mollusca) from the Midcontinent, USA.