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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
U. edmondiiformis, U. guizhounsis, U. longus, U. lutriaeformis, U. sublettica

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.