Family

Placodontidae Cope, 1871

Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumChordata
SubphylumVertebrata
Organism groupGnathostomata
SuperclassTetrapoda
ClassReptilia
SubclassEureptilia
unrankedDiapsida
OrderSauropterygia
FamilyCyamodontidae
Nothosauridae
Placodontidae
GenusPlacodus
Plesiosaurus