Turrilites costulata, Print, Turrilites is a genus of helically coiled ammonoid cephalopods from the lower part of the Upper Cretaceous (Cenomanian and Turonian); generally included in the Ancyloceratina. Previously (Arkell, 1957) it was included in the ammonoid suborder, Lytoceratina

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Turrilites costulata, Print, Turrilites is a genus of helically coiled ammonoid cephalopods from the lower part of the Upper Cretaceous (Cenomanian and Turonian); generally included in the Ancyloceratina. Previously (Arkell, 1957) it was included in the ammonoid suborder, Lytoceratina.

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Keywords: 1957, ammonoid, ancyloceratina, arkell, cenomanian, cephalopods, coiled, costulata, cretaceous, generally, genus, helically, included, lytoceratina, part, previously, print, suborder, turonian, turrilites, upper