PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Cremnoceramus deformis erectus

Bivalvia - Myalinida - Inoceramidae

Taxonomy

Inoceramus erectus was named by Meek (1877).

It was recombined as Cremnoceramus deformis erectus by Walaszczyk (2018) and Sealey and Lucas (2019).

Sister species lacking formal opinion data

C. incostans, C. waltersdorfensis

Synonymy list

Year	Name and author
1877	Inoceramus erectus Meek p. 145 figs. Plate 13, figs. 1 and 1 a ; and pl. 14, fig. 3
2018	Cremnoceramus deformis erectus Walaszczyk p. 669 fig. 6
2019	Cremnoceramus deformis erectus Sealey and Lucas p. 145 figs. 75C,E-G, 77H,I, 78D

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)

Rank	Name	Author
infraclass	Pteriomorphia	(Beurlen 1944)
—	Ostreomorphi	Ferussac 1822
—	Ostreioni	Ferussac 1822
—	Myalinata	Paul 1939
order	Myalinida	Paul 1939
superfamily	Inoceramoidea	Giebel 1852
family	Inoceramidae
genus	Cremnoceramus	Heinz 1932
species	deformis	(Meek 1871)
subspecies	erectus	()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Cremnoceramus deformis erectus Meek 1877

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitef

Locomotion:

facultatively mobilesubc

Life habit:

epifaunalsubc

Diet:

suspension feedersubc

Vision:

blindc

Created:

2005-01-28 02:25:20

Modified:

2005-01-28 04:25:20

Source: f = family, subc = subclass, c = class

References: Kiessling 2003, Eaton 1871, Aberhan et al. 2004

Age range: base of the Coniacian to the top of the Middle Coniacian or 89.80000 to 85.80000 Ma

Collections (11 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Turonian	93.5 - 89.3	USA (Colorado)	Inoceramus erectus (87846)
Late/Upper Turonian - Early/Lower Coniacian	93.5 - 85.8	Mexico (Coahuila)	Cremnoceramus deformis (92293)
Coniacian - Santonian	89.8 - 83.6	Canada (Alberta)	Inoceramus erectus (87569)
Early/Lower Coniacian	89.3 - 85.8	India (Tamil Nadu)	Cremnoceramus deformis (198602)
Early/Lower Coniacian	89.3 - 85.8	Germany	Inoceramus erectus (12716 12717 12718 12719 12720)
Early/Lower Coniacian	89.3 - 85.8	USA (Montana)	Inoceramus erectus (88026)
Middle Coniacian	89.3 - 85.8	USA (Wyoming)	Inoceramus erectus (88543)