Arestoceras
Cainoceras
(tree size 1)
Deiradoceras
Elobiceras
(tree size 8)
Goodhallites
(tree size 8)
Neoharpoceras
Pervinquieria
(tree size 17)
Prohysteroceras
(tree size 3)
Rusoceras
Pagoceras
(tree size 1)
Inflaticeras
(tree size 1)
Aidoceras
Lethargeceras
Euhystrichoceras
(tree size 7)
Prionocycloides
Drakeoceras
Praeangolaites
Drepanoceras
(tree size 2)
Reyericeras
Butticeras
(tree size 2)