Mahrazia, Mabrouki & Taybi & Methods, 2022

Mabrouki, Youness, Taybi, Abdelkhaleq Fouzi & Methods, Peter Glöer Introduction Material And, 2022, Mahrazia benlemlihi gen. et sp. nov., a new subterranean snail (Gastropoda: Hydrobiidae) from Morocco, Bonn zoological Bulletin 71 (2), pp. 204-208 : 204-206

Mahrazia gen. nov.

urn:lsid:zoobank.org:act:38D2A566-9CD0-4D71-B4F8-6A8762506E0E

Type species

Mahrazia benlemlihi gen. et sp. nov.

Type material

Holotype

ZMH 141428 ; from a well located at the Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah , Fez-Meknes region ; 34°01′59.16″ N, 4°58′37.86″ W; collected 9 Apr. 2022.

Paratypes

3 spec.; ZMH 141429 ; same collection data as for holo- type. – 6 spec.; Y. Mabrouki leg.; collected 10 Oct. 2022; same locality as for holotype .

Diagnosis. The new genus can be distinguished from the other Moroccan stygobiont hydrobiids by its elon-

206 Youness Mabrouki et al.

gated ovate shell with less than 5 whorls, its long penis, thickened at the basis with a bulbous part near the pointed penis tip. Heideella Backhuys & Boeters, 1974 has a slim, elongated conical shell with more than 5 flat whorls, a conical penis that is more or less elongated, wrinkled near its base, with one lobe, more or less developed and bulging. Atebbania Ghamizi, Bodon, Boulal & Giusti 1999 has an elongated conical shell with more than 5 whorls, with the penultimate whorl slightly broad- er than the body whorl, a penis with an apical stylet, one lobe bent downwards on its left side, and the penial duct running near the right side. Rifia Ghamizi, 2020 has a valvatoid shell and a bifurcated penis. The other genera are surface water molluscs and have eyespots and pigmented bodies.

Description. See description of single known species below.

Etymology. The genus name ‘ Mahrazia ’ refers to its type locality: the Faculty of Sciences Dhar El Mahraz FSDM, located on the university campus Dhar El Mah- raz and covering an area of 6 ha. It mainly serves the region of Fez-Boulemane located in the northern center of Morocco.