Awruch, C. et al. 2008. Reproductive biology of the angular angel shark Squatina guggenheim (Chondrichthyes: Squatinidae) off Patagonia (Argentina, southwestern Atlantic). Ciencias Marinas. 34, 1 (Mar. 2008), 17–28. DOI:https://doi.org/10.7773/cm.v34i1.1232.