MolluscaBase source details
Cockerell, T. D. A. (1893). A check-list of the slugs. The Conchologists: a Journal of Malacology. 2(8): 185-232.
349780
Cockerell, T. D. A.
1893
A check-list of the slugs.
The Conchologists: a Journal of Malacology
2(8): 185-232
Publication
Agriolimax laevis campestris f. nigrescens T. D. A. Cockerell, 1893 accepted as Deroceras laeve (O. F. Müller, 1774) (original description)