Helix (Helicodonta) texasiana, S. Moricand, 1834

Breure, Abraham S. H. & Tardy, Emmanuel, 2016, From the shadows of the past: Moricand senior and junior, two 19 th century naturalists from Geneva, with their newly described taxa and molluscan types, Revue suisse de Zoologie 123 (1), pp. 113-138 : 123

texasiana, Helix (Helicodonta), S. Moricand, 1834b: 538 , pl. 1 fig. 2.

Type locality: le Mexique, dans la province de Texas [Berlandier]. Syntypes: MHNG- INVE-72781 (7), MHNG-INVE-72867 (32) ( Polygyridae ) [ Figs 44-46 ].

– Remarks. Both lots are with labels by Moricand junior, the second lot was part of the Brot collection.

Additional syntypes in NMB 1517c (9).

Figures

Figs 32-49. Ampullariidae, Planorbidae, Unionidae, Polygyridae, and Megalomastomidae. (32-33) Ampullariidae. (32-33) Pomacea decussata (S. Moricand, 1836), syntype, MHNG-INVE-33485 (H = 29.4). (34-36) Planorbidae. (34-36) Biomphalaria glabrata(Say, 1818), syntype of Planorbis dentifer J. Moricand, 1853, MHNG-INVE-86932 (D = 12.7).(37-40) Unionidae. (37-40) Monocondylaea reticulata (J. Moricand, 1858), syntype, MHNG-INVE-91236 (D = 41.8). (41-46) Polygyridae. (41-43) Practicolella (Practicolella) berlandieriana (S. Moricand, 1834), syntype, MHNG-INVE-37027 (H = 8.98). (44-46) Polygyra (Linisia) texasiana texasiana (S. Moricand, 1833), syntype, MHNG-INVE-72781 (D = 10.4). (47-49) Megalomastomidae. (47-49) Aperostoma blanchetiana (S. Moricand, 1836), syntype, MHNG-INVE-91233 (D = 30.3).