Fragoso, C. and Rojas, P. 2014.

New species and records of the earthworm genus Ramiellona (Annelida, Oligochaeta, Acanthodrilidae) from southern Mexico and Guatemala

. Zootaxa. 3753, 6 (Jan. 2014), 549–572. DOI:https://doi.org/10.11646/zootaxa.3753.6.3.