- The
Actinocerida are an
order of
generally straight,
medium to
large cephalopods that
lived during the
early and
middle Paleozoic,
distinguished by a siphuncle...
-
ranges are:
Discosorida (<100 m);
Oncocerida and
Tarphycerida (<150 m);
Actinoceroidea (50–150 m);
Ellesmerocerida (50–200 m);
Belemnitida (50–200 m, exceptionally...
-
Kansas Press, pp. K190–K216 Flower,
Rousseau H. (1940). "Some
Devonian Actinoceroidea".
Journal of Paleontology. 14 (5): 442–446. JSTOR 1298547. S****-Shock:...
-
Bureau of
Mines and
Mineral Resources,
Socorro NM. Teichert, C. 1964,
Actinoceroidea (K190) in the
Treatise on
Invertebrate Paleontology, vol K, Nautiloidea...