Genus: Echioceras Buckman, 1914 † (syn: Echiocheras - DB: 12 SP, 9 IMG)
|
|
|
|
|
|
|
|
|
|
|
|
Genus: Gagaticeras Buckman, 1913 † (DB: 2 SP, 2 IMG)
|
|
Genus: Leptechioceras Buckman, 1923 † (DB: 3 SP, 3 IMG)
|
|
|
Genus: Palaeoechioceras Spath , 1929 † (DB: 2 SP, 1 IMG)
|
|
Genus: Paltechioceras Sun & al., 1980 † (syn: Echioceratoides - DB: 11 SP, 2 IMG)
|
|
|
|
|
|
|
|
|
|
|
Genus: Plesechioceras Trueman & Williams, 1925 † (DB: 3 SP, 0 IMG)
|
|
|
Genus: Protechioceras Spath, 1929 † (DB: 1 SP, 0 IMG)
|
|
|
| | | | | |