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Thaerodonta recedens

Strophomenata - Strophomenida - Sowerbyellidae

Taxonomy
Leptaena recedens was named by Sardeson (1892).

It was recombined as Thaerodonta recedens by Wang (1949), Howe (1965) and Howe (1988); it was recombined as Eoplectodonta recedens by Catalani (1987); it was recombined as Eochonetes recedens by Bauer and Stigall (2016).

Synonyms
Synonymy list
YearName and author
1892Leptaena recedens Sardeson p. 330 figs. pl. 4, figs. 29-32.
1892Leptaena saxea Sardeson p. 330 figs. pl. 4, figs. 33–35
1949Thaerodonta recedens Wang p. 20 figs. pl. 11A, figs. 1-3
1949Thaerodonta saxea Wang p. 21 figs. pl. 11B, figs. 1–5.
1965Thaerodonta recedens Howe pp. 649 - 651 figs. P1. 81, figs. 13-17
1972Thaerodonta saxea Howe figs. pl. 1 f. 10; pl. 2 f. 5, 9-10; pl. 3 f. 1-6
1987Eoplectodonta recedens Catalani p. 211
1988Thaerodonta recedens Howe
2016Eochonetes recedens Bauer and Stigall pp. 906 - 907 fig. 9.7–9.13

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyPlectambonitoideaJones 1928
familySowerbyellidaeOpik 1930
subfamilySowerbyellinaeOpik 1930
genusThaerodontaReed 1917
speciesrecedens()

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.

Thaerodonta recedens Sardeson 1892
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Diagnosis
ReferenceDiagnosis
J. E. Bauer and A. L. Stigall 2016Lateral margins acute to gently sloping; anterior margin truncate. Ventral anterior margin occasionally forming broad sulcus. Accessory teeth subdued if present. Cardinal fossettes/denticles originating in center of hinge line; averaging 5–9 per cardinal extremity, evenly spaced along hinge line, typically increasing in size laterally.