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Jobu Formation

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Coordinates: 32°42′N 130°54′E / 32.7°N 130.9°E / 32.7; 130.9
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Jobu Formation
Stratigraphic range: late Cenomanian
~96–94 Ma
↓
TypeGeological formation
Unit ofMifune Group
Lithology
PrimaryMudstone
Location
Coordinates32°42′N 130°54′E / 32.7°N 130.9°E / 32.7; 130.9
Approximate paleocoordinates44°24′N 123°30′E / 44.4°N 123.5°E / 44.4; 123.5
RegionFukui, Kumamoto
Country Japan
Jobu Formation is located in Japan
Jobu Formation
Jobu Formation
Jobu Formation (Japan)

The Jobu Formation is a Cretaceous geologic formation of Late Cenomanian age. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus. The oldest confirmed tyrannosaurid premaxillary tooth was recovered from the Jobu Formation.[1] The mammal Sorlestes is also known from the formation.

Fossil content

The following fossils were reported from the formation:[2]

See also

References

  1. ^ Holtz, 2001
  2. ^ Jobu Formation in the Paleobiology Database
  3. ^ Setoguchi et al., 1999
  4. ^ a b Tamura et al., 1991
  5. ^ Carrano et al., 2012
  6. ^ Chure et al., 2011
  7. ^ Manabe, 1999
  8. ^ a b Danilov et al., 2011
  9. ^ Danilov & Syromyatnikova, 2008

Bibliography

  • M. T. Carrano, R. B. J. Benson, and S. D. Sampson. 2012. The phylogeny of Tetanurae (Dinosauria: Theropoda). Journal of Systematic Palaeontology 10(2):211-300
  • I. G. Danilov, V. B. Sukhanov, and E. V. Syromyatnikova. 2011. New Asiatic materials on turtles of the family Adocidae with a review of the adocid record in Asia. Proceedings of the Zoological Institute, Russian Academy of Sciences 315(2):101-132
  • I. G. Danilov and E. V. Syromyatnikova. 2008. New materials on turtles of the family Nanhsiungchelyidae from the Cretaceous of Uzbekistan and Mongolia, with a review of the Nanhsiungchelyid record in Asia. Proceedings of the Zoological Institute RAS 312(1/2):3-25
  • Holtz, T.R., Jr. 2001. The phylogeny and taxonomy of the Tyrannosauridae. pp. 64–83, in D.H. Tanke and K. Carpenter (eds.), Mesozoic Vertebrate Life: New Research Inspired by the Paleontology of Philip J. Currie. Indiana Univ. Press.
  • D. J. Chure, M. Manabe, M. Tanimoto and Y. Tomida. 1999. An unusual theropod tooth from the Mifune Group (Late Cenomanian to Early Turonian), Kumamoto, Japan. In Y. Tomida, T. H. Rich, and P. Vickers-Rich (eds.), Proceedings of the Second Gondwanan Dinosaur Symposium, National Science Museum Monographs 15:291-296
  • M. Manabe. 1999. The early evolution of the Tyrannosauridae in Asia. Journal of Paleontology 73(6):1176-1178
  • T. Setoguchi, T. Tsubamoto, H. Hanamura and K. Hachiya. 1999. An early Late Cretaceous mammal from Japan, with reconsideration of the evolution of tribosphenic molars. Paleontological Research 3(1):18-28
  • M. Tamura, Y. Okazaki, and N. Ikegami. 1991. [Occurrence of carnosaurian and herbivorous dinosaurs from upper formation of Mifune Group, Japan]. Kumamoto Daigaku Kyōiku Gakubu kiyō. Shizen kagaku 40:31-45
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