Traits taxon details
original description
Calder D.R. (1986). Symmetroscyphus, a new genus of thecate hydroid (family Thyroscyphidae) from Bermuda. <em>Proceedings of the Biological Society of Washington.</em> 99: 380-383., available online at https://www.biodiversitylibrary.org/page/34595851 page(s): 382 [details] Available for editors 
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
context source (PeRMS)
Oliveira, O. M. P.; Miranda, T. P.; Araujo, E. M.; Ayón, P.; Cedeño-Posso, C. M.; Cepeda-Mercado, A. A.; Córdova, P.; Cunha, A. F.; Genzano, G. N.; Haddad, M. A.; Mianzan, H. W.; Migotto, A. E.; Miranda, L. S.; Morandini, A. C.; Nagata, R. M.; Nascimento, K. B.; Júnior, M. N.; Palma, S.; Quiñones, J.; Rodriguez, C. S.; Scarabino, F.; Schiariti, A.; Stampar, S. N.; Tronolone, V. B.; Marques, A. C. (2016). Census of Cnidaria (Medusozoa) and Ctenophora from South American marine waters. <em>Zootaxa.</em> 4194(1)., available online at https://doi.org/10.11646/zootaxa.4194.1.1 [details] Available for editors 
basis of record
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]
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