Hydrocyon, [575];
H. goliath, [578]
Hydrocyoninae, [575]
Hydrolagus colliei, [469]
Hygrogonus, [672]
Hymenocephalus, [647]
Hyodon, [553];
H. alosoides, skull and pectoral arch, [553]
Hyodontidae, [552], [544], [389], [405]
Hyostylic, [222]
Hydrocyon, [575];
H. goliath, [578]
Hydrocyoninae, [575]
Hydrolagus colliei, [469]
Hygrogonus, [672]
Hymenocephalus, [647]
Hyodon, [553];
H. alosoides, skull and pectoral arch, [553]
Hyodontidae, [552], [544], [389], [405]
Hyostylic, [222]