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), 1–17. https://doi.org/10.11646/zootaxa.3565.1.1