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Placodontiform

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

Palatodonta
Placodontia


Palatodonta
Placodontia

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.

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

Palatodonta

Paraplacodus Paraplacodus BW.jpg

Placodus Placodus BW.jpg

Cyamodus Cyamodus BW.jpg


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Wikipedia

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