Periscolex Cognetti, 1905

Alexander Feijoo, M. & Celis, Liliana V., 2012, Earthworms (Oligochaeta: Glossoscolecidae) of the Amazon region of Colombia, Zootaxa 3201, pp. 27-44 : 36

publication ID	https://doi.org/ 10.11646/zootaxa.3201.1.2
DOI	https://doi.org/10.5281/zenodo.4901863
persistent identifier	https://treatment.plazi.org/id/893BA74B-FFB4-FFF6-FF1B-97C4BD73F951
treatment provided by	Plazi
scientific name	Periscolex Cognetti, 1905
status

Treatment

Periscolex Cognetti, 1905 , emend. Michaelsen, 1918; Zicsi, 1992

Diagnosis. Arrangement of the setae in eight rows of setae per segment (lumbricine arrangement) or more than eight rows (perichaetine). Intra-clitellar male pores. A pair of calciferous glands in segment 7 with invaginations and broad iridescence. Metagynic genital system, two testis sacs, and infundibula. Spermathecae present.