Awruch, C.A. & Lo Nostro, F.L. & Somoza, G.M. & Di Giácomo, E.E. (2008)
Reproductive biology of the angular angel shark Squatina guggenheim (Chondrichthyes: Squatinidae) off Patagonia (Argentina, southwestern Atlantic). Ciencias Marinas, 34(1), 17–28

Awruch, C.A. & Lo Nostro, F.L. & Somoza, G. & Di Giácomo, E.E. (2000)
Reproductive biology and basic aspects of spermatogenesis in the angel shark, Squatina guggenheim, Marini, (Elasmobranchii, Squatinidae) [Abstract]. American Elasmobranch Society 16th Annual Meeting, 14–20 June 2000, La Paz, Mexico