Reference
Alfredo D. Vitullo, Joseph A. Cook (1991): The role of sperm morphology in the evolution of Tuco-Tucos,
Ctenomys (Rodentia, Ctenomyidae): confirmation of results
from Bolivian species – Mammalian Biology (früher Zeitschrift für Säugetierkunde) – 56: 359 - 364.