Kayentasuchus walkeri Clark and Sues, 2002

Nesbitt, Sterling J., 2011, The Early Evolution Of Archosaurs: Relationships And The Origin Of Major Clades, Bulletin of the American Museum of Natural History 2011 (352), pp. 1-292 : 42

Kayentasuchus walkeri Clark and Sues, 2002

AGE: Simmurian-Pliensbachian, Early Jurassic ( Peterson and Pipiringos, 1979).

OCCURRENCE: Willow Springs, middle of the silty facies of the Kayenta Formation, northern Arizona ( Clark and Sues, 2002).

HOLOTYPE: UCMP 131830, partial skull roof, left facial portion, partial mandible, parial ilium, complete femur, and other postcranial elements.

REMARKS: Clark and Sues (2002) named Kayentasuchus for an associated skeleton from the Kayenta Formation. The taxon bears a mix of synapomorphies of the noncrocodyliform crocodylomorphs and crocodyliforms. As a result, the incorporation of Kayentasuchus into the phylogenetic analysis of Clark et al. (2000) led to a large polytomy at the base of Crocodylomorpha ( Clark and Sues, 2002; Clark et al., 2004). Kayentasuchus joined an ever-growing list of crocodylomorphs from the Kayenta Formation, in- cluding an Edentosuchus -like taxon ( Clark, 1994), Eopneumatosuchus colberti ( Crompton and Smith 1980) , Calsoyasuchus valliceps ( Tykoski et al., 2002) , and an undescribed protosuchid (TMM 43648-1; Tykoski, 2005).

KEY REFERENCES: Clark and Sues, 2002.