larva, [515];
relations with other Dipnoi, [518], [519];
P. aethiopicus, [512];
P. dolloi, [512]
Protosphyraena, [502]
Protospondyli, [497]
Protostigmata, [59]
Protosyngnathidae, [631], [628]
Protosyngnathus sumatrensis, [632]
larva, [515];
relations with other Dipnoi, [518], [519];
P. aethiopicus, [512];
P. dolloi, [512]
Protosphyraena, [502]
Protospondyli, [497]
Protostigmata, [59]
Protosyngnathidae, [631], [628]
Protosyngnathus sumatrensis, [632]