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Muramotoceras

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Muramotoceras
Temporal range: Turonian
↓
Fossil of Muramotoceras from Upper Cretaceous of Japan
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Order:
Ammonitida
Family:
Nostoceratidae
Genus:
Muramotoceras

Muramotoceras was an unusual genus of heteromorphic ammonite.[1] It was known only from Japan until researchers reported in 2001 that the genus was present in Alaska's Matanuska Formation as well.[1] Its remains likely date to the middle Turonian (from 89.8 to 93.9 million years ago) in both areas.[1]

See also

Footnotes

  1. ^ a b c "Age of the Bone-Bearing Unit," Pasche and May (2001); page 220.

References

  • Ann D. Pasch & Kevin C. May. (2001). "Taphonomy and paleoenvironment of a hadrosaur (Dinosauria) from the Matanuska Formation (Turonian) in South-Central Alaska". In Darren H. Tanke & Kenneth Carpenter (ed.). Mesozoic Vertebrate Life. Indiana University Press. pp. 219–236. ISBN 978-0-253-33907-2.


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