Abida gittenbergeri Bössneck, 2000

Kokshoorn, Bas & Gittenberger, Edmund, 2010, Chondrinidae taxonomy revisited: New synonymies, new taxa, and a checklist of species and subspecies (Mollusca: Gastropoda: Pulmonata) 2539, Zootaxa 2539 (1), pp. 1-62 : 25

Abida gittenbergeri Bössneck, 2000

Abida gittenbergeri Bössneck, 2000: 5 .

Type locality: Spain, Gerona , Albanya, valley of the Rio Muga, c. 1 km above the town, c. 250 m alt., 42°18.54’N / 02°42.25’E .

Holotype: Staatliches Museum für Tierkunde Dresden, Nr. 42085.

Distribution.—(see notes).

Differentiation.—This species can be distinguished from all other chondrinid species, except A. cylindrica , by the conspicuously cylindrical shell, with a short, conical apical part. The apertural lamellae a remarkably different from those in A. cylindrica , and most similar to those in A. s. secale , as has been observed also by Bössneck (2000: 9). The columellar lamellae run parallel in both A. gittenbergeri and A. s. secale .See also Gittenberger (1973: 125) and the notes on A. cylindrica .

Genetic barcode.—GenBank accession numbers EU395311 – EU395315 .

Notes.—This species was originally described from a very small area around Albanya in Spain. Afterwards Bertrand (2003) recorded it from the French side of the border at Coustouges. Tarruella Ruestes (2006) increased its known range considerably westward, into the region where A. cylindrica occurs The two species have never been reported to occur sympatrically, however. Preliminary molecular data indicate their status as sister- taxa, as is suggested by their unique shell shape, but not by the apertural lamellae. The molecular data also indicate both taxa as not strictly monophyletic. One sample of A. gittenbergeri takes a basal position in the clade containing both taxa ( Kokshoorn 2008: 85).