original description
Pallas, P. S. (1766). Elenchus zoophytorum sistens generum adumbrationes generaliores et specierum cognitarum succintas descriptiones, cum selectis auctorum synonymis. <em>[book].</em> pp. 451, Fransiscum Varrentrapp, Hagae., available online at https://www.biodiversitylibrary.org/page/6019361
page(s): 356-357 [details]
additional source
Olivi, G. (1792). Zoologia Adriatica, ossia catalogo ragionato degli animali del golfo e della lagune di Venezia. Bassano [G. Remondini e fl.]. [ix] + 334 + xxxii pp., 9 pls., available online at http://www.biodiversitylibrary.org/item/123881 [details]
From editor or global species database
Identification Pallas' description and indication of occurrence of Alcyonium ficus is unclear, but it is an undoubted tunicate, not a sponge [details]