|
Pelycosauria
|
|
new species
|
Leidy, Joseph, 1853, [A new and remarkable genus, Bathygnathus borealis], Proceedings of the Academy of Natural Sciences of Philadelphia 6, pp. 404-404
: 404
|
404 |
|
Bathygnathus
|
|
|
Cope, E. D., 1869, Synopsis of the extinct Batrachia, Reptilia and Aves of North America, Transactions of the American Philosophical Society 11, pp. 1-252
: 119
|
119 |
|
Bathygnathus borealis
|
|
|
Cope, E. D., 1869, Synopsis of the extinct Batrachia, Reptilia and Aves of North America, Transactions of the American Philosophical Society 11, pp. 1-252
: 119
|
119 |
