-
Orthocerida, also
known as the Michelinocerida, is an
order of
extinct orthoceratoid cephalopods that
lived from the
Early Ordovician (490 million years...
- †Ellesmerocerida. †Endoceratoidea = †Endocerida †Orthoceratoidea = †
Orthocerida, †Ascocerida, and †Pseudorthocerida (the
Orthoceratoidea of Kröger 2007)...
- & Co.,
Garden City, New York Sweet,
Walter C. (1964),
Nautiloidea --
Orthocerida, in
Treatise on
Invertebrate Paleontology. Part K.
Mollusca 3, Geological...
- In geology, the
Arenig (or Arenigian) is a time
interval during the
Ordovician period and also the
suite of
rocks which were
deposited during this interval...
-
organic deposits,
unlike orthoceratoid cephalopod orders such as the
Orthocerida and Actinocerida.
Endocerids reached enormous body sizes. The largest...
- Dissidocerida, Actinocerida, Pseudorthocerida,
Lituitida and
Orthocerida.
Orthocerida is a
noteworthy paraphyletic order which is
ancestral to the major...
- (478.5 to 324 Ma)
Order Nautilida (extant; 410.5 Ma to present)
Order †
Orthocerida (482.5 to 211.5 Ma)
Order †
Ascocerida (478 to 412 Ma)
Order † Bactritida...
-
cephalopods from the
Middle Silurian of
southern China belonging to the
Orthocerida incertae sedis, its
familial ****ociation undetermined. The type is Jangziceras...
- mono-generic,
family of
extinct orthoceratoid cephalopods in the
order Orthocerida that
lived in what
would be
Europe during the
middle Silurian from 428...
- of
China and Siberia. It is
included in the
Orthocerida. The
family in undetermined. As with the
Orthocerida the s**** of
Mongoceras is
generally long and...