Muramotoceras

Muramotoceras
Muramotoceras
Temporal range: Turonian
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 in both areas.[1]

See also

Footnotes

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

Reference