marsiglii, Acipenser Brandt [J. F.] in Brandt & Ratzeburg 1833:352 [Medizinische Zoologie v. 2; ref. 619] Danube River or Ob River. Holotype: ?ZIN 11825. Based on Antaceus glaber of Marsigli 1726:34, Pl. 10 (fig. 2) [not investigated]. Also spelled marsilii by authors. •Synonym of Acipenser ruthenus Linnaeus 1758, but perhaps a valid subspecies -- (Reshetnikov et al. 1997:726 [ref. 24702], Sokolov 1998:21 [ref. 23571]). •Synonym of Acipenser ruthenus Linnaeus 1758, but a valid subspecies marsiglii -- (Sheiko & Fedorov 2000:16 [ref. 25650]). •Synonym of Acipenser ruthenus Linnaeus 1758 -- (Berg 1948:76 [ref. 12882], Kottelat 1997:31 [ref. 22952], Parin et al. 2014:44 [ref. 33547], Jouladeh-Roudbar et al. 2020:16 [ref. 37983], Çiçek et al. 2024:29 [ref. 40789]). •Synonym of Huso ruthenus (Linnaeus 1758). Current status: Synonym of Huso ruthenus (Linnaeus 1758). Acipenseridae. Habitat: freshwater, brackish.