Cremnoceramus deformis in early Turonian Fort Hays limestone, showing characteristic wavy rugae.[1]
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Bivalvia
Order:
Pteriida
Family:
†Inoceramidae
Genus:
†Cremnoceramus Cox, 1969 (posthumous)
Species
C. crassus
C. deformisMeek 1871
C. inconstans
C. rotundatusFiege 1930
C. waltersdorfensis
Weathered Cremnoceramus deformis shell fragment highlighting the orientation and texture of the calcite prisms definitive of thick-shelled Cremnoceramus and Inocermidae in general
Cremnoceramus ("cremno-" = kremnos [Greek]: precipice or over hanging wall or bank; "ceramus" = keramos [Greek]: clay pot) is an extinct genus of fossil marine pteriomorphian bivalves that superficially resembled the related winged pearly oysters of the extant genus Pteria. They lived from the Turonian to the Maastrichtian of the Late Cretaceous.[2][3]
^"Lower Turonian Euramerican Inoceramidae: A morphologic, taxonomic, and biostratigraphic overview". Faculty of Science, Vrije Universiteit Amsterdam. p. see Figure 3 for illustration of rugae. Retrieved 2020-12-29.
^Collum, Christofer J. (1998). "Taxonomy Biostratigraphy and Phylogeny of the Upper Cretaceous Bivalve Cremnoceramus (Inoceramidae) in the Western Interior of Canada and the United States". In Paul A. Johnston and James W. Haggart (ed.). Bivalves: An Eon of Evolution; Paleobilogical Studies Honoring Norman D. Newell. University of Calgary Press. pp. 119–142. Retrieved 2020-12-29.
^Cite error: The named reference mindat was invoked but never defined (see the help page).
Cremnoceramus were facultatively mobile, blind, suspension feeding bivalves with low-magnesium calcite shells. Inoceramids, like the Cremnoceramus in...
place in the stratigraphic column where the inoceramid bivalve species Cremnoceramus rotundatus first appears. The Turonian is sometimes subdivided in Lower/Early...
Weathered shell fragment of the closely related Cremnoceramus difformis, highlighting the orientation and texture of the calcite prisms of the Inoceramids...
Stage is at the first appearance of the inoceramid bivalve species Cremnoceramus deformis erectus. The official reference profile for the base (a GSSP)...
inoceramid. I. sagensis Bowman County, North Dakota. An inoceramid. I. (Cremnoceramus) sp. Bowman County, North Dakota. One decorticated incomplete specimen...
1992 Genus Cataceramus Cox, 1969 Genus Cladoceramus Seitz, 1961 Genus Cremnoceramus Heinz, 1932 Genus Endocostea Whitfield, 1877 Genus Inoceramus Sowerby...
type locality for species Crassatella †Crassatella franzeseii †Cremnoceramus †Cremnoceramus deformis †Crenella †Creonella †Creonella triplicata †Cretodus...
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