Definition of Rhynchorthoceras. Meaning of Rhynchorthoceras. Synonyms of Rhynchorthoceras

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

Definition of Rhynchorthoceras

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Meaning of Rhynchorthoceras from wikipedia

- Rhynchorthoceras is a Middle Ordovician genus characterized by a rapidly expanded, weakly annulate orthocone, like the orthoconic section of Ancistroceras...
- subcentral siphuncle and thin connecting rings, on the misconception that Rhynchorthoceras is ancestral. The Lituitidae comprise two basic groups, based on general...
- most of the Middle Ordovician. Ancistroceras may have given rise to Rhynchorthoceras by a loss of the juvenile coiled portion, replacing it with a short...
- Geisonoceras Glenisteroceras Michelinoceras Orthoceras Oxfordoceras Rhynchorthoceras Stereoplasmoceras Tajaroceras Wardoceras Tarphycerida Deltoceras Pseudancistroceras...
- †Rhiphaeonautilus †Rhipsites †Rhomboceras †Rhomboceras †Rhynchoceras †Rhynchorthoceras †Richardsonoceras †Rineceras †Ringoceras †Rioceras †Rizoceras †Robsonoceras...
- Ordovician (Darriwilian)  China A member of the family Endoceratidae. Rhynchorthoceras kranepuhlense Sp. nov Valid Aubrechtová & Korn Ordovician (Darriwilian)...
- Valhallfonna Formation  Norway A member of the family Troedssonellidae. Rhynchorthoceras yizanense Sp. nov Valid Fang in Fang et al. Ordovician  China A member...