''Paleollanosaurus'' is an extinct
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
sphenodontian
Rhynchocephalia (; ) is an order (biology), order of lizard-like reptiles that includes only one living species, the tuatara (''Sphenodon punctatus'') of New Zealand. Despite its current lack of diversity, during the Mesozoic rhynchocephalians ...
reptile
Reptiles, as commonly defined, are a group of tetrapods with an ectothermic metabolism and Amniotic egg, amniotic development. Living traditional reptiles comprise four Order (biology), orders: Testudines, Crocodilia, Squamata, and Rhynchocepha ...
that lived during the Late Triassic. The type species ''P. fraseri'' was described from a jaw fragment found in West Texas in North America. Remains have also been reported from Switzerland.
It is generally considered a basal sphenodontian. Cladogram following Chambi-Trowell ''et al.'', 2021.
References
{{Taxonbar, from=Q111716115
Reptiles described in 2004
Late Triassic animals of Europe
Rhynchocephalia
Prehistoric reptile genera