den Hartog, J.C. (1977). Descriptions of two new Ceriantharia from the Caribbean region, Pachycerianthus curacaoensis n. sp. and Arachnanthus nocturnus n. sp., with a discussion of the cnidom and of the classification of the Ceriantharia. <em>Zoologische Mededelingen.</em> 51(14), 211-242., available online athttp://www.repository.naturalis.nl/document/150580[details]
Molodtsova, T. (2025). World List of Ceriantharia. Penicillaria. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=366466 on 2026-08-08
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Penicillaria. Accessed at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=366466 on 2026-08-08
original descriptionden Hartog, J.C. (1977). Descriptions of two new Ceriantharia from the Caribbean region, Pachycerianthus curacaoensis n. sp. and Arachnanthus nocturnus n. sp., with a discussion of the cnidom and of the classification of the Ceriantharia. <em>Zoologische Mededelingen.</em> 51(14), 211-242., available online athttp://www.repository.naturalis.nl/document/150580[details]
basis of recordFautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]