Richardsonites
(tree size 2)
Paracravenoceras
(tree size 1)
Pseudoglaphyrites
(tree size 1)
Cryptotyloceras
Glaphyrites
(tree size 54)
Neogastrioceras
(tree size 1)
Syngastrioceras
(tree size 18)
Eosyngastrioceras
Oxiglaphyrites