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TaxNo: 268Ammonellipsites nikitini
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Pericyclidae
Subfamily: Ammonellipsitinae
Genus: Ammonellipsites
Species: nikitini
Qualifier: ss
Author: Librovitch 1927,p.14
Lower Boundary: RUN Kos'vinskii gorizont base, 349 million years
Upper Boundary: RUN Nortnichskiy gorizont top, 339 million years