Definition of Protocycloceratidae. Meaning of Protocycloceratidae. Synonyms of Protocycloceratidae

Here you will find one or more explanations in English for the word Protocycloceratidae. Also in the bottom left of the page several parts of wikipedia pages related to the word Protocycloceratidae and, of course, Protocycloceratidae synonyms and on the right images related to the word Protocycloceratidae.

Definition of Protocycloceratidae

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Meaning of Protocycloceratidae from wikipedia

- cephalopod order Ellesmerocerida that lived during the Early Ordovician. Protocycloceratidae, named by Kobayashi (1935), are characterized by transversely ribbed...
- the generally similar Protocycloceratidae by the presence of broad lateral lobes in the suture. Sutures in the Protocycloceratidae are straight and transverse...
- from the Lower Ordovician included in the ellesmerocerid family Protocycloceratidae according to Rousseau Flower in 1964. The s**** of Walcottoceras...
- septal necks, and thick connecting rings. Derivation is from the Protocycloceratidae, a family of ellesmerocerids, which differ in having straight or...
- The Ellesmeroceratidae gave rise within the Ellesmerocerida to the Protocycloceratidae, B****leroceratidae, and possibly the Cylostomiceratidae in the early...