.............................................................................................................................................................................. 2 Introduction ......................................................................................................................................................................... 2 Materials and methods ........................................................................................................................................................ 3 Family Gorgoniidae Lamouroux, 1812 ............................................................................................................................... 8 Genus Eugorgia Verrill, 1868 ............................................................................................................................................. 8 Eugorgia alba Bielschowsky, 1929 comb. nov......................................................................................................... 11 Eugorgia ampla (Verrill, 1864) .................................................................................................................................. 13 Eugorgia aurantiaca (Horn, 1860) ............................................................................................................................ 15 Eugorgia bradleyi Verrill, 1868 ................................................................................................................................. 17 Eugorgia daniana Verrill, 1868 ................................................................................................................................. 17 Eugorgia excelsa Verrill, 1868 .................................................................................................................................. 20 Eugorgia multifida Verrill, 1870 ................................................................................................................................ 22 Eugorgia nobilis Verrill, 1868 ................................................................................................................................... 24 Eugorgia panamensis (Duchassaing and Michelotti, 1864) ...................................................................................... 26 Eugorgia purpurascens Verrill, 1868 ........................................................................................................................ 27 Eugorgia querciformis Bielschowsky, 1929 .............................................................................................................. 29 Eugorgia rubens Verrill, 1868 ................................................................................................................................... 29 Final remarks ..................................................................................................................................................................... 37 Phylogenetic analysis ........................................................................................................................................................ 44 Acknowledgements .......................................................................................................................................................... 44 References ......................................................................................................................................................................... 45 Accepted by P. Alderslade: 4 Jun. 2009; published: 7 Jul 2009 1