Definition of Spyroceratidae. Meaning of Spyroceratidae. Synonyms of Spyroceratidae

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

Definition of Spyroceratidae

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Meaning of Spyroceratidae from wikipedia

- Spyroceratidae are defined as Pseudorthocerida with uniformly slender siphuncle segments, longer than wide, that contract sharply near either end, in which...
- an orthoceratoid genus contained within the pseudorthocerid family Spyroceratidae known by its slightly compressed, possibly endogastrically curved, cyrtoconic...
- Cayutoceratidae Pseudactinoceratidae Spyroceratidae Carbactinoceratidae Trematoceratidae The Pseudorthoceratidae through Spyroceratidae are presented as subfamilies...
- resemble but are not true orthocerids. It is ****igned to the family Spyroceratidae along with such genera as Spyroceras, Adnatoceras, and Euloxoceras....
- orthoconic nautiloid cephalopods included in the pseudorthocerid family Spyroceratidae, characterized by tubular, straight-sided, siphuncle segments that expand...
- from the Lower Carboniferous (Mississippian) belonging to the family Spyroceratidae . Pseudorthocerids are nautiloid cephalopods with expanded siphuncle...
- Nautiloidea. Specifically Spyroceras belongs to the pseudorthocerid family, Spyroceratidae. Spyroceras had annulated orthocones with straight transverse sutures...