Definition of Anarcestida. Meaning of Anarcestida. Synonyms of Anarcestida

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Definition of Anarcestida

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Meaning of Anarcestida from wikipedia

- Agoniatitida, also known as the Anarcestida, is the ancestral order within the cephalopod subclass Ammonoidea originating from bactritoid nautiloids,...
- Kingdom: Animalia Phylum: Mollusca class: Cephalopoda Subclass: Ammonoidea Order: Anarcestida Family: Acanthoclymeniidae Genus: Uchtites Bogoslovskii, 1958...
- Lobobactrites to Cyrtobactrites, leading to the gyroconic Anetoceras of the Anarcestida (Ammonoidea). The Parabactritidae are characterized by orthoconic and...
- goniatites. The Cherry Valley and Union Springs also contain well-preserved anarcestida. On the geological timescale, the Marcellus occurs in the Middle Devonian...
- prochoanitic, with septal necks projecting forward. Derivation is from the Anarcestida in the middle Devonian. Miller, Furnish, and Schindewolf, 1957. Paleozoic...
- superfamily Dimeroceratoidea, but previously included in the ancestral Anarcestida. Prolobitids are characterized by goniatitic sutures with an undivided...
- found in the Prolobitidae, a family which was originally included in the Anarcestida but recently removed to the Goniatitida. Following their inception, the...
- subdivisions of external and internal lateral saddle. They are derived from the Anarcestida. Tornoceratidae as now understood is essentially the Tornoceratidae of...