Vargas V., M. (1969). A contribution to the morphology of the eggs and nymphal stages of Porocephalus stilesi Sambon, 1910 and Porocephalus clavatus (Wyman, 1847) Sambon, 1910 (Pentastomida).

Vargas V., Mario. A Contribution to the Morphology of the Eggs and Nymphal Stages of Porocephalus Stilesi Sambon, 1910 and Porocephalus Clavatus (Wyman, 1847) Sambon, 1910 (Pentastomida). 1969.

Vargas V., Mario. A Contribution to the Morphology of the Eggs and Nymphal Stages of Porocephalus Stilesi Sambon, 1910 and Porocephalus Clavatus (Wyman, 1847) Sambon, 1910 (Pentastomida). 1969.