The cavernicoles include: (1) Cambala speobia (Chamberlin), troglobitic in central and southwest Texas; (2) C. reddelli reddelli n. sp. and subsp., troglophilic in west Texas and epigean in New Mexico; (3) C. reddelli inornatus n. subsp., troglobitic in northwest Texas; and (4) Mexicambala russelli n. gen. and sp., troglobitic in southern San Luis Potosi. They are described and figured, and a key is given.
Causey, Nell B..
New cavernicolous millipeds of the family Cambalidae (Cambalidea: Spirostreptida) from Texas (U.S.A.) and Mexico.
International Journal of Speleology,
Available at: https://digitalcommons.usf.edu/ijs/vol1/iss1/19