On the troglobitic shrimps of the Yucatan peninsula, Mexico (Decapoda: Atyidae and Palaemonidae)

Four troglobitic shrimps are reported to frequent the subterranean waters of the Yucatan Peninsula. Three are members of the family Atyidae: Typhlatya mitchelli, new species, and Typhlatya campecheae,new species, are described herein, and Typhlatya pearsei Creaser is redescribed. The fourth shrimp, Creaseria morleyi (Creaser), is a member of the family Palaemonidae. Illustrations as well as all known locality records are included for the four, and a key to all of the members of the genus Typhlatya is followed by a discussion of their interrelationships. A summary of the distribution of the four shrimps and maps indicating the localities where they were collected conclude the report. Open Access Northup Database Collection See Extended description for more information