Xerocrassa

Xerocrassa is a genus of small, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the subfamily Helicellinae of the family Geomitridae.

Xerocrassa
Figures 4–7; Xerocrassa species. 4 Xerocrassa latastei, lectotype MHNG-MOLL 115121, Ketenna [= Kettana], D = 15.9 mm 5 Xerocrassa latasteopsis, lectotype MHNG-MOLL 115131, Foum Hallouf, D = 18.34 mm 6 Xerocrassa latasteopsis, NMBE 549906, Sidi Aich 2, D = 18.2 mm 7 Xerocrassa lacertara, syntype MHNG-MOLL 114001, “Plaines entre Djelfa et El-Aghouat”, D = 11.8 mm.
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Geomitridae
Genus: Xerocrassa
Monterosato, 1892
Type species
Helix seetzeni L. Pfeiffer, 1847
Synonyms
  • Ereminella Pallary, 1919
  • Heldia P. Hesse, 1926
  • Helix (Amandana) Fagot, 1891 · unaccepted
  • Trochoidea (Xerobarcana) R. Brandt, 1959
  • Trochoidea (Xeroclausa) Monterosato, 1892
  • Trochoidea (Xerocrassa) Monterosato, 1892 (chresonym)
  • Trochoidea (Xeroregima) R. Brandt, 1959
  • Xerobarcana Brandt, 1959
  • Xerocauta Monterosato, 1892
  • Xeroclausa Monterosato, 1892
  • Xerocrassa (Amandana) Fagot, 1891 · alternate representation
  • Xerocrassa (Xeroclausa) Monterosato, 1892 · alternate representation
  • Xerocrassa (Xerocrassa) Monterosato, 1892 · alternate representation
  • Xerophila (Ereminella) Pallary, 1919 (superseded generic combination)
  • Xeroptyca Monterosato, 1892
  • Xeroregima Brandt, 1959

Some species of Xerocrassa are instead considered to belong to the subgenus Xerocrassa, within the genus Trochoidea; in those cases the species are listed under the generic name Trochoidea. However, for other authors both taxa are not closely related being different genera.

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