Pyrgulopsis gilae (Taylor, 1987)

Hershler, Robert, Ratcliffe, Victoria, Liu, Hsiu-Ping, Lang, Brian & Hay, Claire, 2014, Taxonomic revision of the Pyrgulopsis gilae (Caenogastropoda, Hydrobiidae) species complex, with descriptions of two new species from the Gila River basin, New Mexico, ZooKeys 429, pp. 69-85 : 79-80

Taxon classification Animalia ORDO FAMILIA

Pyrgulopsis gilae (Taylor, 1987) Fig. 4 E–F

Fontelicella gilae Taylor 1987: 16-18, fig. 7, tables 11-13 (springs on north side of East Fork of Gila River, center of sec. 3, T13S, R13W, unsurveyed, Grant County, New Mexico).

Pyrgulopsis gilae .- Hershler 1994: 36-38, figs 15 a–c, 46c (new combination).

Pyrgulopsis gilae .- Hurt 2004 (in part; Gila I-III populations).

Pyrgulopsis gilae (clade I).- Liu et al. 2013.

Types.

Holotype, LACM 2214; paratypes, BellMNH 20898, BellMNH uncat., UTEP 10054, USNM 854087 (from same lot as holotype).

Referred material.

NEW MEXICO. Grant County: USNM 1135050, USNM 1135052, spring ca. 1.29 km mile north, 0.55 km west of confluence of East Fork Gila River and Black Canyon (33.1864°N, 108.1675°W), USNSM 1123426, USNM 1135055, USNM 1135056, spring ca. 1.53 km north, 2.38 km east of State Route 527 bridge crossing (33.1946°N, 108.1804°W).

Other material examined.

NEW MEXICO. Grant County: topotypes, USNM 1004620, USNM 1135043, USNM 1135044, spring ca. 1.53 km north, 2.90 km east of State Route 527 bridge crossing (33.1917°N, 108.1742°W), BellMNH uncat., USNM 873211, USNM 1068942, "Alum Hot Spring," ca. 1.93 km south, 0.16 km west of State Route 527 bridge crossing (33.1618°N, 108.2081°W).

Distribution.

Several groups of springs in the lower reach of the East Fork Gila River (below the mouth of Black Canyon) and a single spring along the Gila River ca. 2 km below the East Fork confluence (Fig. 1).

Remarks.

Examination of the large series of penes that Taylor scored for this species (BellMNH 20898, BellMNH uncat.) indicated that neither the outer penial gland nor Dg2 extends appreciably onto the dorsal surface of the penis (Fig. 4 E–F; also see Taylor 1987, fig. 7 b–c) in contrast with Pyrgulopsis marilynae and Pyrgulopsis similis . Specimens from the two new populations (Fig. 6A), which are closely proximal to the type locality, and the disjunct "Alum Spring" population (Fig. 6B) conformed to Pyrgulopsis gilae in all morphological details. Pyrgulopsis gilae co-occurs sympatrically with Pyrgulopsis thermalis (Taylor) at several localities ( Taylor 1987).