Definition of Bactritida. Meaning of Bactritida. Synonyms of Bactritida

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

Definition of Bactritida

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Meaning of Bactritida from wikipedia

- The Bactritida are a small order of more or less straight-s****ed (orthoconic) cephalopods that first appeared during the Emsian stage of the Devonian...
- Floian Age of the Early Ordovician Period, over 470 million years ago. The Bactritida, a Devonian–Tri****ic group of orthocones, are widely held to be paraphyletic...
- well as Nautilida, which includes the recent Nautilus. Another order, Bactritida, which is derived from Orthocerida, is sometimes included with Nautiloidea...
- belemnoid order Aulacocerida, which, in turn, is derived from the Devonian Bactritida. Belemnites were traditionally thought to have evolved in northern Europe...
- long-lasting lineages Goniatite and ceratite ammonoids Probable coleoid ancestor Bactritida Early coleoids: Jeletzkya?, Gordoniconus, Syllipsimopodi Earliest belemnoids:...
- long-lasting lineages Goniatite and ceratite ammonoids Probable coleoid ancestor Bactritida Early coleoids: Jeletzkya?, Gordoniconus, Syllipsimopodi Earliest belemnoids:...
- coleoids, and had appeared by the Floian. It is widely held that the Bactritida, a Silurian–Tri****ic group of orthocones, are paraphyletic to the coleoids...
- long-lasting lineages Goniatite and ceratite ammonoids Probable coleoid ancestor Bactritida Early coleoids: Jeletzkya?, Gordoniconus, Syllipsimopodi Earliest belemnoids:...
- first chamber, of some orthocerids suggests they were ancestors to the Bactritida, small orthoconic forms that gave rise to both the ammonoids and coleoids...
- long-lasting lineages Goniatite and ceratite ammonoids Probable coleoid ancestor Bactritida Early coleoids: Jeletzkya?, Gordoniconus, Syllipsimopodi Earliest belemnoids:...