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

Unionites fassaensis

Bivalvia - Cardiida - Anthracosiidae

Taxonomy
Myacites fassaensis was named by Wissmann (1841).

It was recombined as Anodontophora fassaensis by Bittner (1889), Bittner (1899), Hsu (1937) and Newell and Kummel (1942); it was recombined as Anoplophora fassaensis by Frech (1907); it was recombined as Anodontophora (Myacites) fassaensis by Ogilvie Gordon (1927); it was recombined as Unionites fassaensis by Ciriacks (1963), Nakazawa (1971), Chen et al. (1974), Gu et al. (1976), Chen (1982), Neri and Posenato (1985), Dagis et al. (1996), Kumagae and Nakazawa (2009), Hofmann and Hautmann (2013), Hofmann et al. (2013), Hautmann et al. (2013), Pan et al. (2014) and Hofmann et al. (2015).

Sister species lacking formal opinion data
U. edmondiiformis, U. guizhounsis, U. longus, U. lutriaeformis, U. sublettica

Synonymy list
YearName and author
1841Myacites fassaensis Wissmann p. 9 figs. Pl 16, fig 2
1889Anodontophora fassaensis Bittner
1899Anodontophora fassaensis Bittner
1907Anoplophora fassaensis Frech
1927Anodontophora (Myacites) fassaensis Ogilvie Gordon
1937Anodontophora fassaensis Hsu p. 317 figs. Pl 1, figs 15,16
1942Anodontophora fassaensis Newell and Kummel
1963Unionites fassaensis Ciriacks p. 82 figs. Pl 16, fig 13
1971Unionites fassaensis Nakazawa p. 127 figs. Pl 25, figs 1-4
1974Unionites fassaensis Chen et al. p. 326 figs. Pl 174, figs 2,3,7
1976Unionites fassaensis Gu et al. p. 52 figs. Pl 22, figs 1-3
1982Unionites fassaensis Chen p. 218 figs. Pl 2, fig 16
1985Unionites fassaensis Neri and Posenato p. 94
1996Unionites fassaensis Dagis et al. p. 68 figs. Pl 4, figs 20,21
2009Unionites fassaensis Kumagae and Nakazawa p. 167 figs. 145.5-145.9
2013Unionites fassaensis Hautmann et al. p. 281 figs. 7L-O
2013Unionites fassaensis Hofmann and Hautmann p. 567 fig. 13C,D
2014Unionites fassaensis Pan et al. p. 151 fig. 5G,H
2015Unionites fassaensis Hofmann et al. fig. 4K

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
RankNameAuthor
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderAnthracosiidinaSilantiev and Carter 2011
superfamilyAnthracosioidea(Amalizky 1892)
familyAnthracosiidaeAmalizky 1892
genusUnionitesWissman 1841
speciesfassaensis()

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 fassaensis Wissmann 1841
show all | hide all
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height48.894.2112.810.83.80
valve height159.195.5618.98.004.78

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 Spathian to the top of the Bithynian or 251.30000 to 242.00000 Ma

Collections (107 total)


Time interval Ma Country or state Original ID and collection number
Induan252.17 - 251.2Croatia Anodontophora fassaensis (212705 212708 212712)
Induan252.17 - 251.2China (Guizhou) Unionites fassaensis (105109 105110)
Induan252.17 - 251.2Bosnia and Herzegovina Anodontophora fassaensis (212714 212720)
Induan252.17 - 251.2Greenland (Northeast Greenland National Park) Anodontophora fassaensis (143870)
Induan252.17 - 251.2China (Zhejiang) Anodontophora fassaensis (109789)
Induan252.17 - 251.2Japan (Kochi) Unionites fassaensis (40245)
Early/Lower Triassic252.17 - 247.2Hungary Anoplophora fassaensis (203722)
Early/Lower Triassic252.17 - 247.2Russian Federation (Primorsky Krai) Anodontophora fassaensis (202918 202937)
Early/Lower Triassic252.17 - 247.2Bosnia and Herzegovina Anodontophora fassaensis (206605 206606 206607 206610)
Early/Lower Triassic252.17 - 247.2Hungary (Bakony) Anoplophora fassaensis (203240)
Early/Lower Triassic252.17 - 247.2Jordan Anodontophora fassaensis (202321)
Induan - Olenekian252.17 - 247.2Japan (Miyazaki) Unionites fassaensis (40551)
Induan - Olenekian252.17 - 247.2Japan (Gumma) Unionites fassaensis (40486)
Griesbachian - Dienerian251.902 - 251.2Svalbard and Jan Mayen Anodontophora fassaensis (211940 211942 211949)
Griesbachian251.902 - 250.5USA (Montana) Unionites breviformis (105393)
Griesbachian251.902 - 250.5China (Xizang) Unionites fassaensis (150473)
Griesbachian251.902 - 250.5Italy Unionites fassaensis (44451 104956)
Griesbachian251.902 - 250.5China (Guizhou) Unionites fassaensis (112109 112111 112112 121325 151137 151139 151143 151144 151145 151146 151147 151148 157352)
Griesbachian251.902 - 250.5China (Sichuan) Unionites fassaensis (89363 89365 95607 98559 105103 149105 149106 149108)
Griesbachian251.902 - 250.5USA (Wyoming) Unionites breviformis (105378)
Griesbachian251.902 - 250.5China (Yunnan) Unionites fassaensis (112118)
Griesbachian251.902 - 250.5Svalbard and Jan Mayen Anodontophora fassaensis (212783)
Griesbachian251.902 - 250.5China (Chongqing) Unionites fassaensis (148528)
Triassic251.902 - 201.4Russian Federation (Primorsky Krai) Anodontophora fassaensis (202941)
Smithian251.3 - 247.2Japan Unionites fassaensis (115247 115248 115249)
Smithian251.3 - 247.2China (Sichuan) Unionites fassaensis (149094 149097)
Smithian251.3 - 247.2Svalbard and Jan Mayen Anoplophora fassaensis (212234) Unionites fassaensis (97311)
Smithian251.3 - 247.2USA (Utah) Unionites fassaensis (156096 156099 156105 156110 156116)
Spathian251.3 - 247.2Russian Federation (Primorye) Anodontophora fassaensis (47295)
Spathian251.3 - 247.2Hungary Unionites fassaensis (139950 139953 139954 139960 139961 139975 139993)
Spathian251.3 - 247.2USA (Utah) Unionites fassaensis (62972 62991 122196 122198 122200 122201 122209 141588 156079 156115)
Spathian251.3 - 247.2Italy Unionites fassaensis (115790 115791)
Olenekian251.2 - 247.2Svalbard and Jan Mayen Anodontophora fassaensis (212785)
Olenekian251.2 - 247.2Bosnia and Herzegovina Anodontophora fassaensis (212718)
Dienerian250.5 - 251.2Greenland Anodontophora fassaensis (118716 118719 118720 118723 118726)
Dienerian250.5 - 251.2Svalbard and Jan Mayen Unionites fassaensis (97305)
Dienerian250.5 - 251.2China (Chongqing) Unionites fassaensis (148523 149146)
Dienerian250.5 - 251.2Russian Federation Unionites fassaensis (107045)
Dienerian250.5 - 251.2China (Qinghai) Unionites fassaensis (112813 112819 112821)
Dienerian250.5 - 251.2China (Sichuan) Unionites fassaensis (149100 149101 149102 149104)
Aegean - Bithynian247.2 - 242.0Italy Unionites fassaensis (87247)
Anisian247.2 - 242.0Russian Federation (Kalmykia) Anodontophora fassaensis (46533)
Pelsonian247.2 - 242.0Hungary Myacites fassaensis (40649)