PBDB Taxon

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

Unionites griesbachi

Bivalvia - Cardiida - Anthracosiidae

Taxonomy

Anodontophora griesbachi was named by Bittner (1899).

It was recombined as Unionites griesbachi by Gu et al. (1976), Sha (1995), Yin and McRoberts (2006).

Sister species lacking formal opinion data

U. carinata, U. carinatus, U. damdunensis, U. dubius, U. edmondiiformis, U. fassaensis, U. fassaensis, U. guizhounsis, U. kochigataniensis, U. lettica, U. longus, U. lutriaeformis, U. montisfluvii, U. munsteri, U. nunsteri, U. sublettica, U. takiguchiensis, U. trigonus, U. zadoensis

Synonymy list

Year	Name and author
1899	Anodontophora griesbachi Bittner
1961	Anodontophora griesbachi Hudson and Jefferies p. 32 figs. 3f, 11a-e
1976	Unionites griesbachi Gu et al. p. 54 figs. Pl 22, figs 10-16
1995	Unionites griesbachi Sha p. 104 figs. Pl 34, fig 11
2006	Unionites griesbachi Yin and McRoberts p. 117 fig. 6.42

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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	Cardiiformii	Ferussac 1822
order	Cardiida	Ferussac 1822
suborder	Anthracosiidina	Silantiev and Carter 2011
superfamily	Anthracosioidea	(Amalizky 1892)
family	Anthracosiidae	Amalizky 1892
genus	Unionites	Wissman 1841
species	griesbachi	(Bittner 1899)

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.

†Unionites griesbachi Bittner 1899

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Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	1	17.6	-	-	-	-
valve height	3	18.6	16.1	22.2	18.0	3.12

Composition:

aragonitec

Locomotion:

facultatively mobilec

Life habit:

infaunalc

Diet:

suspension feederc

Vision:

blindc

Created:

2004-02-28 11:33:36

Modified:

2010-02-12 03:59:35

Source: c = class

Reference: Aberhan et al. 2004

Age range: base of the Smithian to the top of the Rhaetian or 249.90000 to 201.40000 Ma

Collections (24 total)

Time interval	Ma	Country or state	Original ID and collection number
Smithian	249.9 - 248.1	Australia (Western Australia)	Anodontophora griesbachi (48615)
Carnian - Norian	237.0 - 205.7	China (Xizang)	Unionites griesbachi (85521)
Carnian - Norian	237.0 - 205.7	China (Qinghai)	Unionites griesbachi (59646)
Lacian	227.3 - 215.38	Indonesia (Maluku)	Anodontophora griesbachi (204327 204487 204489)
Lacian	227.3 - 215.38	Indonesia	Anodontophora griesbachi (204423)
Lacian - Alaunian	227.3 - 211.18	China (Sichuan)	Unionites griesbachi (25402)
Norian	227.3 - 205.7	Vietnam	Unionites griesbachi (240693)
Norian	227.3 - 205.7	China (Qinghai)	Unionites griesbachi (200769)
Norian	227.3 - 205.7	United Arab Emirates	Anodontophora griesbachi (41201)
Norian	227.3 - 205.7	Canada (British Columbia)	Anodontophora griesbachi (140040)
Norian	227.3 - 205.7	Russian Federation (Primorskiy Kray)	Unionites griesbachi (97859)
Norian - Rhaetian	227.3 - 201.4	United Arab Emirates	Anodontophora griesbachi (101399)
Alaunian - Sevatian	215.38 - 205.7	Indonesia	Anodontophora griesbachi (204491 204492)
Sevatian	211.18 - 205.7	Iran	Unionites griesbachi (48975 49198 49199 49200)
Sevatian - Rhaetian	211.18 - 201.4	Iran	Unionites griesbachi (48977)
Rhaetian	205.7 - 201.4	China	Unionites griesbachi (75198)
Rhaetian	205.7 - 201.4	Iran	Unionites griesbachi (48969 48979)