|
Kirchgasser |
1975 |
Revision of Probeloceras Clarke, 1898 and related ammonoids from the Upper Devonian of Western New York.
Journal of Paleontology, 49:58-90, fig.1-11, pl.1-3; Tulsa,Okla.
|
|
|
Wells |
1956 |
The ammonoids Koenenites and Beloceras in the Upper Devonian of New York.
Journal of Paleontology, 30: 749-751, fig.1-2, pl.82; Tulsa, Okla.
|