original description
Stephens, J. (1912). Coelenterata. Proceedings of the Royal Irish Academy, 31(58): 1-10
page(s): 8 [details]
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of record
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
From editor or global species database
Additional information H. elongatus has been questionably synomymized with H. purpureus, but this has not been demonstrated conclusively and both names remain in use. [details]