PBDB Taxon

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

Oxytoma bifurcata

Bivalvia - Pectinida - Oxytomidae

Taxonomy

Oxytoma bifurcata was named by Fan (1963).

Sister species lacking formal opinion data

O. arcricostata, O. arcticostata, O. arizonensis, O. articostata, O. censorius, O. contorta, O. cornueliana, O. costata, O. czekanovskii, O. danica, O. dieneri, O. dumortieri, O. expansa, O. ferrugineum, O. gussevi, O. inaequivalis, O. inaequivalve, O. inaequivalvis, O. inaequivalvis, O. inaequvalve, O. inaquivalve, O. inequivalva, O. intermedia, O. jacksoni, O. koniensis, O. laevicostata, O. majsisovosi, O. mclearni, O. mojsisovicsi, O. multistriatum, O. munsteri, O. oppeli, O. papyria, O. pectinatum, O. pulchra, O. seminudum, O. semiradiata, O. sinemuriensis, O. startense, O. subzitteli, O. tenuicostata, O. tetoriense, O. tetoriensis, O. trechmanni, O. danica, O. danica, O. danica, O. agrawali, O. censoriensis, O. ferrugineum, O. kashiwaiensis, O. multistriata, O. tetoriensis

Synonymy list

Year	Name and author
1963	Oxytoma bifurcata Fan
1997	Oxytoma bifurcata Chen p. 134 figs. Pl 3, figs 1-4

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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	Pteriomorphia	(Beurlen 1944)

Rank	Name	Author
—	Ostreomorphi	Ferussac 1822
—	Ostreioni	Ferussac 1822
—	Ostreata	Ferussac 1822
superorder	Ostreiformii	Ferussac 1822
order	Pectinida	(Gray 1854)
suborder	Anomiidina	Gray 1854
—	Monotoidei	Waterhouse 2001
superfamily	Oxytomoidea	Ichikawa 1958
family	Oxytomidae	Ichikawa 1958
genus	Oxytoma	(Meek and Hayden 1865)
species	bifurcata	Fan 1963

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.

†Oxytoma bifurcata Fan 1963

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calciteg

Environment:

marineo

Locomotion:

stationaryg

Attached:

yesg

Life habit:

epifaunalg

Diet:

suspension feederg

Vision:

blindc

Created:

2007-10-05 04:22:50

Modified:

2009-04-13 13:15:35

Source: g = genus, o = order, c = class

References: Aberhan et al. 2004, Kiessling 2004

Age range: Early/Lower Sinemurian or 199.50000 to 192.90000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Bucklandi - Semicostatum	199.5 - 192.9	Hong Kong	Oxytoma bifurcata (275836 275853 275885)
Early/Lower Sinemurian	199.5 - 192.9	Hong Kong	Oxytoma bifurcata (137807)