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Unionites canalensis

Bivalvia - Cardiida - Anthracosiidae

Taxonomy
Tellina canalensis was named by Catullo (1847). It is a 3D body fossil.

It was recombined as Anodontophora canalensis by Bittner (1899), Spath (1930) and Newell and Kummel (1942); it was recombined as Myacites canalensis by Bittner (1901); it was recombined as Anoplophora canalensis by Wittenburg (1912); it was recombined as Anodontophora (Myacites) canalensis by Ogilvie Gordon (1927); it was recombined as Austrotindaria canalensis by Foster et al. (2017) and Foster et al. (2019); it was recombined as Unionites canalensis by Ciriacks (1963), Nakazawa (1971), Chen et al. (1974), Gu et al. (1976), Chen (1982), Neri and Posenato (1985), Sha (1995), Kumagae and Nakazawa (2009), Hofmann and Hautmann (2013), Hofmann et al. (2013), Hautmann et al. (2013), Hofmann et al. (2015) and Biakov and Kutygin (2021).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1847Tellina canalensis Catullo p. 56 figs. pl. 4, fig. 4
1899Anodontophora canalensis Bittner
1901Myacites canalensis Bittner
1912Anoplophora canalensis Wittenburg
1927Anodontophora (Myacites) canalensis Ogilvie Gordon
1930Anodontophora canalensis Spath
1942Anodontophora canalensis Newell and Kummel
1963Unionites canalensis Ciriacks p. 81 figs. Pl 16, figs 11,12
1971Unionites canalensis Nakazawa p. 126 figs. Pl 24, figs 14,15
1974Unionites canalensis Chen et al. p. 326 figs. Pl 174, figs 1,5
1976Unionites canalensis Gu et al. p. 52 figs. Pl 21, figs 38,39
1982Unionites canalensis Chen p. 218 figs. Pl 3, figs 12,15,19
1985Unionites canalensis Neri and Posenato p. 94 figs. Pl 2, fig 8
1995Unionites canalensis Sha p. 104 figs. Pl 34, fig 10
2009Unionites canalensis Kumagae and Nakazawa p. 166 figs. 145.1-145.4
2013Unionites canalensis Hautmann et al. p. 281 figs. 7P-W
2013Unionites canalensis Hofmann and Hautmann p. 566 fig. 13A,B
2015Unionites canalensis Hofmann et al. fig. 4J
2017Austrotindaria canalensis Foster et al. p. 861 fig. 2B
2019Austrotindaria canalensis Foster et al. p. 622 fig. 6A
2021Unionites canalensis Biakov and Kutygin p. 372

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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
speciescanalensis(Catullo 1847)

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 canalensis Catullo 1847
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Diagnosis
ReferenceDiagnosis
W. J. Foster et al. 2017Outline subovate to elongate, equivalve, inflated below the umbo; inequilateral with beak lying approximately 62% along the dorsal margin length from posterior; H/L ratio 0.4–0.7. Posterior margin elongated and almost straight, anterior margin narrowly rounded. Escutcheon and lunule indistinct. Umbo orthogyrate, prominent, moderately broad, rounded, projecting above the hinge margin. Ornamented externally with fine concentric growth lines; entire inner margin smooth.
Measurements
partNmeanminimummaximummedians.d.
shell height59.815.4013.811.33.30
valve height1311.56.3517.312.73.77

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 Changhsingian to the top of the Triassic or 254.17000 to 201.40000 Ma

Collections (196 total)


Time interval Ma Country or state Original ID and collection number
Changhsingian254.17 - 252.17Russian Federation (Sakha) Unionites canalensis (206758)
Induan252.17 - 251.2China (Guizhou) Unionites canalensis (105109)
Induan252.17 - 251.2Japan (Kochi) Unionites canalensis (40245)
Induan252.17 - 251.2Bosnia and Herzegovina Anodontophora canalensis (212721)
Early/Lower Triassic252.17 - 247.2Bosnia and Herzegovina Anodontophora canalensis (206605)
Early/Lower Triassic252.17 - 247.2Russian Federation (Primorsky Krai) Anodontophora canalensis (202937)
Early/Lower Triassic252.17 - 247.2Hungary (Bakony) Myacites canalensis (203240)
Induan - Olenekian252.17 - 247.2Japan (Gumma) Unionites canalensis (40486)
Induan - Olenekian252.17 - 247.2Japan (Miyazaki) Unionites canalensis (40551)
Griesbachian - Dienerian251.902 - 251.2Svalbard and Jan Mayen Anodontophora canalensis (211944 211949)
Griesbachian251.902 - 250.5China (Guizhou) Austrotindaria canalensis (200988 200990 200991 201001 201007) Unionites canalensis (105098 112111 151139 151143 151145)
Griesbachian251.902 - 250.5Italy (Trentino) Austrotindaria canalensis (197819 197820 197821 197826 197829)
Griesbachian251.902 - 250.5Russian Federation Unionites canalensis (90207)
Griesbachian251.902 - 250.5USA (Idaho) Unionites canalensis (105401)
Griesbachian251.902 - 250.5Greenland Anodontophora canalensis (48115 118538 118755)
Griesbachian251.902 - 250.5Italy Unionites canalensis (44451 74944 104956 165106)
Griesbachian251.902 - 250.5China (Sichuan) Austrotindaria canalensis (205985) Unionites canalensis (98559 149105 149106)
Griesbachian251.902 - 250.5USA (Wyoming) Unionites canalensis (105376 105377 105378 105382 105384 105385 150701 150704 150705 150706 150711)
Griesbachian251.902 - 250.5Svalbard and Jan Mayen Anodontophora canalensis (212782 212783) Austrotindaria canalensis (182612)
Griesbachian251.902 - 250.5USA (Montana) Unionites canalensis (105388 105394 150715 150716 150717 150719)
Griesbachian251.902 - 250.5Hungary Unionites canalensis (177373 177379 177380 177382 177383 177384 177385 177390)
Triassic251.902 - 201.4Russian Federation (Primorsky Krai) Anodontophora canalensis (202920)
Smithian251.3 - 247.2Svalbard and Jan Mayen Anoplophora canalensis (212234)
Smithian251.3 - 247.2Japan Unionites canalensis (115247 115248 115249)
Smithian251.3 - 247.2Italy Unionites canalensis (165132 165133 165136 165137 165142)
Smithian251.3 - 247.2Italy (Trentino) Austrotindaria canalensis (197797 197799 197850 197851 197852 197854 197855 197856 197857 197858 197859 197860 197863 197866 197870 197871)
Smithian251.3 - 247.2Hungary Unionites canalensis (177410 177412 177419 177420 177421 177422 177423)
Smithian251.3 - 247.2USA (Utah) Unionites canalensis (156096 156105 156106 156112)
Smithian251.3 - 247.2Russian Federation Unionites canalensis (90220)
Smithian251.3 - 247.2Hungary (Hungary) Unionites canalensis (174228)
Spathian251.3 - 247.2Hungary Unionites canalensis (139950 139954 139957 139958 139963 139969 139976 139978 139984 139987 139988 139995 177450)
Spathian251.3 - 247.2Italy Unionites canalensis (115787 115788 115791 165160)
Spathian251.3 - 247.2USA (Utah) Unionites canalensis (62972 62977 64715 122196 122198 156089)
Spathian251.3 - 247.2Italy (Trentino) Austrotindaria canalensis (197883)
Spathian251.3 - 247.2China (Qinghai) Unionites canalensis (56724)
Spathian251.3 - 247.2Japan (Miyagi) Unionites canalensis (50116 50117)
Olenekian251.2 - 247.2China (Xizang) Unionites canalensis (150469 150489)
Olenekian251.2 - 247.2Bosnia and Herzegovina Anodontophora canalensis (211748)
Olenekian251.2 - 247.2USA (Montana) Unionites canalensis (105390)
Olenekian251.2 - 247.2USA (Wyoming) Unionites canalensis (105387)
Dienerian250.5 - 251.2Italy (Trentino) Austrotindaria canalensis (197839 197840 197841 197842 197888 197889)
Dienerian250.5 - 251.2China (Chongqing) Unionites canalensis (148523)
Dienerian250.5 - 251.2Italy Unionites canalensis (165018 165019 165020 165021 165022 165025 165026 165028 165030 165031 165032 165045 165111 165113 165114 165115 165116 165117 165118 165120 165121 165122 165123 165124 165125 165126 165127 165128 165129 165130 165135)
Dienerian250.5 - 251.2Hungary Unionites canalensis (177391 177392 177393 177394 177396 177397 177398 177399 177400 177402 177404 177405 177407 177408 177409)
Dienerian250.5 - 251.2China (Qinghai) Unionites canalensis (112812 112821)
Dienerian250.5 - 251.2China (Sichuan) Unionites canalensis (149102 149104)
Rhaetian208.5 - 201.3Svalbard and Jan Mayen Unionites canalensis (97792)