Taxonavigation
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta 
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata 
Subphylum: Vertebrata 
Infraphylum: Gnathostomata 
Megaclassis: Osteichthyes 
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha 
Cladus: Amniota 
Classis: Reptilia 
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida 
Cladus: Sauria 
Cladus: Archelosauria
Division: Pan-Testudines
Superordo: †Sauropterygia 
Ordo: Placodontia
Superfamilia: Placodontoidea
Familia: Paraplacodontidae - Placodontidae
Name
Placodontoidea Cope, 1871
References
Jiang, Da-Yong, et al 2008; "First Record of Placodontoidea (Reptilia, Sauropterygia, Placodontia) from the Eastern Tethys" Journal of Vertebrate Paleontology 28 (3):904–908