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Proadusta gemmosa
Taxonomy
Proadusta gemmosa was named by Dolin and Lozouet (2004). Its type specimen is MNHN-IM-2000-3704, a shell, and it is a 3D body fossil. Its type locality is Espibos, Gaas, which is in a Rupelian carbonate marl/sandstone in the Calcaire à Astéries Formation of France.
Synonymy list
| Year | Name and author |
|---|---|
| 2004 | Proadusta gemmosa Dolin and Lozouet p. 27 figs. PI. 11 figs 5a-5c, 6 |
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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.
†Proadusta gemmosa Dolin and Lozouet 2004
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. Dolin and P. Lozouet 2004 | La coquille, solide quoique peu calleuse, de petite taille, est spherique, ampoulee de protil, a spire legerement sai!lante. La sole ventrale est regulierement convexe, I' ouverture est parasigmo'idale. Le canal siphonal, large et relativement profond, se situe clans le plan de la sole ventrale ; il forme un pontet net, bien detache. Le pli terminal est simple, court et legerement plongeant, en position tangente ; il se prolonge sans solution de continuite par la lame interne courte et maigre, perlee. La fossula auriforme, relativement petite, est lisse et concave. L angulation est abrupte et I' aire columellaire est convexe. La levre interne parte 17(+1) denticules columellaires courts et serres, a cheval sur !'angulation. Le canal exhalant, canalicule, est dejete adapicalement, formam un pontet a peine dessine. La levre externe, a quart anterieur pince, parte 23 (+3) denticules labraux, minces et serres, se propageant sur pres d'un tiers de sa surface |