PBDB Taxon

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

Caestocorbula subtumida

Bivalvia - Pholadida - Corbulidae

Taxonomy

Corbula subtumida was named by Nagao (1928). It is a 3D body fossil. Its type locality is Coast at Akasemachi, which is in a Lutetian fluvial siltstone in the Akasaki Formation of Japan.

It was recombined as Caryocorbula (Anisocorbula) subtumida by Oyama (1960); it was recombined as Caestocorbula subtumida by Matsubara and Ugai (2006).

Sister species lacking formal opinion data

C. costata, C. ficus, C. gandavensis, C. semina, C. shikamai, C. willardi

Synonyms

Corbula (Corbula) subtumida was named by Nagao (1928).

It was synonymized subjectively with Caestocorbula subtumida by Matsubara and Ugai (2006).

Synonymy list

Year	Name and author
1928	Corbula (Corbula) subtumida Nagao
1928	Corbula subtumida Nagao p. 115 figs. Plate XXII, Figs. 6, 7
1960	Caryocorbula (Anisocorbula) subtumida Oyama
2006	Caestocorbula subtumida Matsubara and Ugai

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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)
infraclass	Heteroconchia	(Gray 1854)

Rank	Name	Author
—	Cardiomorphi	Ferussac 1822
—	Cardioni	Ferussac 1822
—	Cardiidia	Ferussac 1822
—	Cardiata	Ferussac 1822
superorder	Pholadiformii	Gray 1854
order	Pholadida	Gray 1854
superfamily	Myoidea	(Lamarck 1809)
family	Corbulidae	Lamarck 1818
subfamily	Caestocorbulinae	Vokes 1945
genus	Caestocorbula	Vincent 1910
species	subtumida	()

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.

†Caestocorbula subtumida Nagao 1928

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Invalid names: Corbula (Corbula) subtumida Nagao 1928 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

stationaryg

Attached:

yesf

Life habit:

infaunalg

Diet:

suspension feederg

Vision:

blindc

Created:

2004-02-29 16:59:50

Modified:

2004-02-29 18:59:50

Source: g = genus, f = family, c = class

References: Aberhan et al. 2004, Sanchez Roig 1926

Age range: base of the Lutetian to the top of the Late/Upper Eocene or 47.80000 to 33.90000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Lutetian	47.8 - 41.3	Japan	Corbula subtumida (37601)
Middle Eocene	47.8 - 37.71	Japan	Caestocorbula subtumida (71014) Caryocorbula subtumida (41585 70968 71015 71017)
Late/Upper Eocene	37.2 - 33.9	Japan	Corbula subtumida (203227)