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The cephalopod macrosystem: A historical review, the present state of knowledge, and unsolved problems: 3. Classification of bactritoidea and ammonoidea

Shevyrev, A.A.

Paleontological Journal 40(2): 150-161

2006


ISSN/ISBN: 0031-0301
DOI: 10.1134/s0031030106020055
Accession: 013863158

A new classification is proposed in which Bactritoidea and Ammonoidea are considered as subclasses. The subclass Bactritoidea includes a single order, Bactritida. The subclass Ammonoidea includes ten orders: Anarcestida (suborders Agoniatitina, Auguritina, Anarcestina, Gephurocerina, Timanocerina, and Prolecanitina), Tornocerida, Goniatitida (with suborders Goniatitina and Cyclolobina), Praeglyphiocerida, Clymeniida (with suborders Gonioclymeniina and Clymeniina), Medlicottiida, Ceratitida (with suborders Paraceltitina, Otocerina, Meekocerina, Sagecerina, Ptychitina, Ceratitina, Pinacocerina, Megaphyllitina, Arcestina, and Lobitina), Phyllocerida, Lytocerida (with suborders Lytocerina and Turrilitina), and Ammonitida (with suborders Psilocerina, Haplocerina, Stephanocerina, Cardiocerina, and Ancylocerina).

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