Rodríguez, E.; Fautin, D; Daly, M. (2025). World List of Actiniaria. Pycnanthus densus Carlgren, 1921. 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=100846 on 2026-08-07
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Pycnanthus densus Carlgren, 1921. Accessed at: https://www.marinespecies.org/Deepsea/aphia.php?p=taxdetails&id=100846 on 2026-08-07
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]
context source (Hexacorallia)Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of recordvan der Land, J.; den Hartog, J.H. (2001). Actiniaria, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 106-109 (look up in IMIS) [details]
additional sourceFautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
additional sourceCarlgren, O. (1932). Die Ceriantharien, Zoantharien und Actiniarien des arktischen Gebietes. Eine Zusammenstellung der arktischen Tierformen mit besonderer Berücksichtigung des Spitzbergen-Gebietes auf Grund der Ergebnisse der Deutschen Expedition in das Nördliche Eismeer im Jahre 1898. <em>Gustav Fischer.Jena.</em> 255-266. page(s): 261 [details]
additional sourceCarlgren, O. (1949). A survey of the Ptychodactiaria, Corallimorpharia and Actiniaria. <em>Kungliga Svenska Vet- enskapsakadamiens Handlingar.</em> 1: 1–121. page(s): 85 [details]
additional sourceGrebel'nyi, S. D. (2001). Hexacorallia. Explorations of the Fauna of the Seas, 51(59): 36-38 page(s): 37 [details]
Present Inaccurate Introduced: alien Containing type locality
Syntype SMNH 5634, geounit Norwegian Exclusive Economic Zone [details]Syntype ZMBN 36515, geounit Norwegian Exclusive Economic Zone [details]