The Crayfish Subgenus Girardiella, Decapoda: Cambaridae, in Arkansas, with the Descriptions of Two New Species and A Key to the Members of the gracilis Group in the Genus Procambarus

Hobbs, Horton Holcombe, Jr. 1988. "The Crayfish Subgenus Girardiella, Decapoda: Cambaridae, in Arkansas, with the Descriptions of Two New Species and A Key to the Members of the gracilis Group in the Genus Procambarus." Proceedings of the Biological Society of Washington, 101, (2) 391–413.More...