Definition of Nybyoceras. Meaning of Nybyoceras. Synonyms of Nybyoceras

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

Definition of Nybyoceras

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Meaning of Nybyoceras from wikipedia

- Nybyoceras is an actinocerid genus ****igned to the Armenoceratidae and similar to Armenoceras except for having a siphuncle close to the ventral side of...
- Russia, and Australia. Armenoceras is thought to have given rise to Nybyoceras in the Chazyan (Flower 1968), although the reverse was earlier suggested...
- The siphuncle is ventral but not marginal, in general form like that of Nybyoceras. Upper and lower septal necks are re****bent or narrowly free. The canal...
- North America, is included in the Nybyoceras branch of the Armenoceratidae (Teichert, 1964), which also includes Nybyoceras and Megadisocosorus. Curt Teichert...
- derived from Wutinoceras, possibly through an early Armenoceras or through Nybyoceras and give rise to Lambeoceras and to the Huroniidae. [citation needed]...
- China, Manchuria, derived from Wutinoceras. Additional genera include Nybyoceras and Selkirkoceras, respectively, from the upper Middle and Upper Ordovician...
- of one of the two branches of the Armenoceratidae that also includes Nybyoceras and Selkirkoceras. Curt Teichert, 1964. Actinoceratoidea, Treatise on...
- (descendants) of Actinoceras, e.g. Lambeoceras, in some Armenoceras, Nybyoceras, and in Gonioceras. (Flower 1957). The parispatium is a narrow opening...
- thought of in terms of the lifespan of the genera included. Leurorthoceras Nybyoceras Actinoceras Wutinoceras Ormoceras Adamsoceras Georgina Orthocerids of...
- †Neumatoceras †Nikenautilus †Nipageroceras †Nothoceras †Notocycloceras †Nucites †Nybyoceras †Octamerella †Oelandoceras †Offleyoceras †Ogygoceras †Ohioceras †Oligoceras...