ABSTRACT
Two new species of earthworms (Oligochaeta: Annelida) Tumakidae family; Tumak amari sp. nov. and Tumak congorum sp. nov. are described and illustrated. They were collected in relict forest fragments adjacent to wetlands in the southerm region of Cesar department of Cesar, in the Colombian Caribbean. Tumakidae family is characterized mainly by of the calciferous gland before the gizzard, and the presence of dorsal pores. Tumak amari sp. nov. and Tumak congorum sp. nov. are close to Tumak hammeni (Righi, 1995RIGHI, G. 1995. Colombian earthworms. Van der Hammen, T y Dos Santos, A. (Eds.). La Cordillera Central Colombiana, Transecto Parque los Nevados Estudios de Ecosistemas Tropandinos 4 Stuttgart, J. Cramer. p. 485-607.), but they differ by the clitelum extension, the puberal zone, the testicular sacs, the position of the male pores, and by the number, shape and position of spermathecae. The new species are the first records of the genus after the original description.
KEY-WORDS:
Earthworms; Wetlands from Colombia; Crassiclitellata; Tumakidae; Tumak
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