Moitessieria simoniana (Saint-Simon, 1848)
Original taxon: Paludina simoniana.
Specimens collected in the Douctouyre flood sediments, downstream of Dun, Ariège.
Altitude ≈ 310m. 1,8mm.
Moitessieria simoniana (Saint-Simon, 1848) |
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| Stygobiont. Hyporheic habitats (underflows of riverbeds), karstic aquifers (réseau Trombe), springs, in Pyrénées-Orientales, Aude, Ariège, Tarn. The MNHN INPN database lists also Tarn-et-Garonne, Aveyron, Hérault. Also in Haute-Garonne (Alain Bertrand). Original taxon: Paludina simoniana. Specimens collected in the Douctouyre flood sediments, downstream of Dun, Ariège. Altitude ≈ 310m. 1,8mm. |
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| Weak microsculpture made of thin spiral rows crossed by radial folds. |
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| Same spot. 1,5mm. |
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