Helveticosaurus
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Helveticosaurus is an extinct genus of diapsid marine reptile known from the Middle Triassic of southern Switzerland and Italy. It contains a single species, Helveticosaurus zollingeri, mainly known f
Helveticosaurus zollingeri
Close view of the skull
Restoration by Darren Naish.
Sinosaurosphargis NT small
Sauropterygia
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Sauropterygia is an extinct clade of diverse, generally marine reptiles that developed from terrestrial ancestors soon after the end-Permian extinction and flourished during the Triassic before all ex
Helveticosaurus
…relationships found Helveticosaurus, together with Eusaurosphargis and Saurosphargis, to be most closely related to either the ichthyopterygians or sauropterygians in a large clade of marine reptiles within archosauromorpha. Some phylogenetic analyses recover a sister taxon relationship between Helveticosaurus and…
Placodus gigas 2
Henodus chelyops 1
Skeleton Nothosauria naturkundemuseum Berlin
Keichousaurus hui fossil