Aptian-cenomanian Members of the Ammonite genus Tetragonites.
Murphy, M.A.
Aptian-cenomanian Members of the Ammonite genus Tetragonites. - Univ.of California, U S A - 80+7pls.
H6.7351/N--/B15699
Aptian-cenomanian Members of the Ammonite genus Tetragonites. - Univ.of California, U S A - 80+7pls.
H6.7351/N--/B15699