Altuna, Álvaro 2012. New records of bathyal Leptolida (Cnidaria: Hydrozoa: Leptothecata) from the Bay of Biscay and the northwestern Iberian Peninsula (northeastern Atlantic). Zootaxa. 3565, 1 (Nov. 2012), 1–17. DOI:https://doi.org/10.11646/zootaxa.3565.1.1.