PBDB Taxon

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

Cochlodesma bainbridgensis

Bivalvia - Thraciida - Periplomatidae

Taxonomy

Cochlodesma bainbridgensis was named by Clark (1925). It is not extant. Its type specimen is LSJU 27.

It was recombined as Aperiploma bainbridgensis by Hickman (2014).

Sister species lacking formal opinion data

Cochlodcsma ovalis, C. complanatum, C. howei, C. ovalis, C. praetenerum, C. complanatum, C. praetenue, C. ovalis, C. ovalis

Synonymy list

Year	Name and author
1925	Cochlodesma bainbridgensis Clark p. 86 figs. Plate 13, figures 3 and 4
1933	Cochlodesma bainbridgensis Tegland p. 112 figs. Plate 6, figures 3, 4
1944	Cochlodesma bainbridgensis Durham p. 141
1976	Cochlodesma bainbridgensis Moore p. 53
1984	Cochlodesma bainbridgensis Moore p. 30
2014	Aperiploma bainbridgensis Hickman p. 10 figs. Figs. 3a–e, G

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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	Heteroconchia	(Gray 1854)
—	Cardiomorphi	Ferussac 1822
—	Cardioni	Ferussac 1822
—	Cardiidia	Ferussac 1822
—	Poromyata	Ridewood 1903
order	Thraciida
superfamily	Thracioidea	Stoliczka 1870
family	Periplomatidae	Dall 1895
genus	Cochlodesma	Couthouy 1839
species	bainbridgensis

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.

†Cochlodesma bainbridgensis Clark 1925

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

facultatively mobilef

Life habit:

infaunalf

Diet:

suspension feederf

Vision:

blindc

Created:

2009-07-04 09:16:47

Modified:

2009-09-09 09:59:46

Source: f = family, c = class

References: Todd 2001, Aberhan et al. 2004

Age range: base of the Wasatchian to the top of the Chattian or 54.90000 to 23.04000 Ma

Collections (16 total)

Time interval	Ma	Country or state	Original ID and collection number
Wasatchian	54.9 - 50.5	USA (Colorado)	Aperiploma bainbridgensis (15314)
Priabonian	37.71 - 33.9	USA (Oregon)	Aperiploma bainbridgensis (39948 39951 40184 126108)
Rupelian	33.9 - 27.3	USA (Oregon)	Cochlodesma bainbridgensis (37823)
Oligocene	33.9 - 23.04	USA (Washington)	Cochlodesma bainbridgensis (208168)
Chattian	27.3 - 23.04	USA (Oregon)	Cochlodesma bainbridgensis (37684 37691 37694)
Chattian	27.3 - 23.04	USA (Washington)	Cochlodesma bainbridgensis (52356 52362 91623 208161)
Late/Upper Oligocene	27.3 - 23.04	USA (Alaska)	Cochlodesma bainbridgensis (44086)
Late/Upper Oligocene	27.3 - 23.04	USA (Washington)	Cochlodesma bainbridgensis (208152)