Definition of Ancistroceras. Meaning of Ancistroceras. Synonyms of Ancistroceras

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

Definition of Ancistroceras

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Meaning of Ancistroceras from wikipedia

- known only from the Arenigian whereas Ancistroceras ranges through most of the Middle Ordovician. Ancistroceras may have given rise to Rhynchorthoceras...
- Ancistroceras indicating a more p****ive lifestyle, or a complex aperture with lappets as in Litoceras. The earliest known lituitids are Ancistroceras...
- section of Ancistroceras, but with only a curved, cyrtoconic apex instead of juvenile whorls. Rhynchorthoceras is probably derived from Ancistroceras by a loss...
- being Ancistroceras. Holmiceras begins with about 1.5 to 2 loosely coiled whorls followed by a rapidly expanding orthocone, much like Ancistroceras except...
- Glenister) have their beginnings in the Early Ordovician with forms like Ancistroceras. Their diversity increased after the late Arenigian extinction (Floian-Dapingian)...
- †Amphicyrtoceras †Amsleroceras †Anamesoceras †Anaspyroceras †Anastomoceras †Ancistroceras †Andreioceras †Anepheloceras †Angaroceras †Angelinoceras †Anglicornus...
- includes new species A. mazaevi. Ancistroceras ristnensis Sp. nov Valid Aubrechtová & Meidla Ordovician  Estonia Ancistroceras vahikuelaensis Sp. nov Valid...