The Sengoku Formation is an Early Cretaceous geologic formation. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
Paleofauna Wakinosaurus satoi - "Incomplete tooth.""Table 4.1," in Weishampel, et al. (2004). Page 78. - (Possible carcharodontosaurid)
See also
List of dinosaur-bearing rock formations List of stratigraphic units with few dinosaur genera
Footnotes
References Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. .