Okurodani Formation

Okurodani Formation
Stratigraphic range: Berriasian
Type Geological formation
Location
Region Gifu Prefecture
Country Japan

The Okurodani Formation is a Mesozoic geologic formation in central Honshu, Japan. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.[1]

Vertebrate Paleobiota

Amphibians

Amphibians reported from the Okurodani Formation
Genus Species Location Stratigraphic position Material Notes Images
Anura Indeterminate KO2 Discoglossid grade
Caudata Indeterminate KO2

Squamates

Squamates reported from the Okurodani Formation
Genus Species Location Stratigraphic position Material Notes Images
Sakurasaurus[2] S. shokawensis KO2
?Anguimorpha Indeterminate KO2
Scincomorpha Indeterminate KO2 new taxon
Squamata Indeterminate KO2 2 distinct taxa

Turtles

Turtles reported from the Okurodani Formation
Genus Species Location Stratigraphic position Material Notes Images
cf. Sinemys Indeterminate KO2
Sinochelys Indeterminate KO2 Sinochelyidae
Adocidae Indeterminate KO2
Trionychidae Indeterminate KO2

Choristoderes

Choristoderes reported from the Okurodani Formation
Genus Species Location Stratigraphic position Material Notes Images
Monjurosuchus Indeterminate KO2 "Association of right squamosal, jugal, quadratojugal, and quadrate"
Shokawa S. ikoi KO2 Partial skeleton

See also

Footnotes

  1. ↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
  2. ↑ Evans, Susan E.; Manabe, Makoto (January 1999). "Early Cretaceous Lizards from the Okurodani Formation of Japan". Geobios. 32 (6): 889–899. doi:10.1016/s0016-6995(99)80871-7. ISSN 0016-6995.

References

  • Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp.  ISBN 0-520-24209-2.

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