Millipedes in the collection of the AMCS. III. \u3cem\u3eReddellobus troglovbius\u3c/em\u3e, n. gen., n. sp., an unusual troglobite from Peubla, Mexico, and other records of the Family Spirouolellidae (Order Spirobolida, Class Diplopoda)

During the past several years, members of the Association for Mexican Cave Studies have made some surprising additions to the knowledge of the invertebrate fauna of Mexico. None of their finds is more exciting than the species described here, a millipede much larger than the nearest epigean relative in an order outstanding for its scarcity of troglobitic adaptations. The absence of ocelli and the reduction of body pigment in the known epigean typhlobolellids suggest that they are deep humus dwellers preadapted for cave life