Placodontiformes

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Placodontiformes
Temporal range: Middle - Late Triassic
File:Henodus chelyops 2 (cut out)-2.jpg
Skeleton of the placodontian placodontiform Henodus chelyops
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Sauropterygia
Clade: Placodontiformes
Neenan et al., 2013
Subgroups

<templatestyles src="Noitalic/styles.css"/>Palatodonta
<templatestyles src="Noitalic/styles.css"/>Placodontia

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Placodontiformes is a clade of sauropterygian marine reptiles that includes placodonts and the non-placodont Palatodonta. It was erected in 2013 with the description of Palatodonta. Placodontiformes is the most basal clade of Sauropterygia and the sister group of Eosauropterygia, which includes all other sauropterygians.[1]

Phylogeny

Below is a cladogram from Neenan et al. (2013) showing the position of Placodontiformes within Sauropterygia:[1]

Sauropterygia
Placodontiformes

Palatodonta


Placodontia

Paraplacodus Paraplacodus BW.jpg




Placodus Placodus BW.jpg


Cyamodontoidea

Cyamodus Cyamodus BW.jpg



Psephoderma Psephoderma BW.jpg






Eosauropterygia

Pistosauroidea

Yunguisaurus




Plesiosauria Macroplata BW.jpg




Pistosaurus 75px



Augustasaurus









Corosaurus



Cymatosaurus





Nothosauroidea Nothosaurus BW.jpg




Diandongosaurus



Pachypleurosauria Keichousaurus BW.jpg







References

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