Nascimento, E. and Pinheiro, U. 2023. A new species of Acarnus Gray, 1867 (Porifera, Demospongiae, Acarnidae) from NE Brazil. Zootaxa. 5293, 3 (May 2023), 521–540. DOI:https://doi.org/10.11646/zootaxa.5293.3.5.