BISCOITO, MANUEL, CLÁUDIA RIBEIRO, and MAFALDA FREITAS. 2018. “Annotated Checklist of the Fishes of the Archipelago of Madeira (NE Atlantic): I—Chondrichthyes”. Zootaxa 4429 (3). Auckland, New Zealand:459–494. https://doi.org/10.11646/zootaxa.4429.3.2.