†unranked clade Recumbirostra Anderson 2007 (amniote)
Parent taxon: Amniota according to J. D. Pardo et al. 2017
See also Huttenlocker et al. 2013 and Szostakiwskyj et al. 2015
Sister taxa: Colognathus, Dicondylia, Enigmatopus, Euamniota, Gnorhimosuchus, Kraterokheirodon, Mesosauria, Monocondylia, Plagiaulax dawsoni, Sauropsida, Synapsida, Timanosaurus, Vitalia
Subtaxa: Aletrimyti Brachystelechidae Dvellecanus Gymnarthridae Huskerpeton Joermungandr Lysorophia Molgophidae Ostodolepidae Pantylidae Proxilodon Steenerpeton
Ecology: