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Tromelinodonta armoricana
Taxonomy
Lyrodesma armoricana was named by de Tromelin and Lebesconte (1875).
It was recombined as Noradonta armoricana by Pojeta and Gilbert-Tomlinson (1977); it was recombined as Tromelinodonta armoricana by Babin (1982).
It was recombined as Noradonta armoricana by Pojeta and Gilbert-Tomlinson (1977); it was recombined as Tromelinodonta armoricana by Babin (1982).
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Lyrodesma armoricana de Tromelin and Lebesconte p. 624 |
| 1966 | Lyrodesma armoricana Babin p. 241 figs. PI. IX, fig. 2-3 |
| 1977 | Noradonta armoricana Pojeta and Gilbert-Tomlinson p. 30 |
| 1982 | Tromelinodonta armoricana Babin |
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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.
†Tromelinodonta armoricana de Tromelin and Lebesconte 1875
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. Babin 1966 | Coquille équivalve, inéquilatérale, convexe, bien caractérisée par la position du septum myophore qui confère à l’umbo un aspect bifide. De contour ovalaire, chaque valve présente une région cardinale trianguliforme avec crochet bien marqué ; angle cardinal d’environ 120° ; côté antérieur, palléal et postérieur régulièrement
arrondis. Les deux empreintes adductrices sont limitées sur leur bord interne par une lame myophore, celle du muscle antérieur étant la plus forte. La charnière comporte, sur un plateau cardinal large, 5 à 7 dents crénelées, convergeant vers l’umbo ; les deux postérieures sont plus allongées ; ligament externe. Ornementation concentrique mal connue. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Meyer et al. 2009, Aberhan et al. 2004 | |||||