Topic summary
Saurosphargid
Extracted from the Wikipedia article Saurosphargidae.
Phylogeny
Wolniewicz et al. (2023) recovered saurosphargids nested within Sauropterygia, more closely related to eosauropterygians than to placodonts. Pomolispondylus, initially grouped with saurosphargids and together comprising the Saurosphargiformes, was instead recovered in a position diverging after saurosphargids, closer to eosauropterygians: