Podoliacanthus
(tree size 1)
Erymnacanthus
(tree size 1)
Euryacanthus
(tree size 1)
Tricuspicanthus
(tree size 2)
Atopacanthus
(tree size 2)
Xylacanthus
(tree size 1)
Taemasacanthus
(tree size 4)
Cavanacanthus
(tree size 1)
Cambaracanthus
(tree size 1)
Rockycampacanthus
(tree size 1)
Grenfellacanthus
(tree size 1)
Persacanthus
(tree size 2)
Gomphonchus