microrhynchus, Acipenser (Huso) Duméril [A. H. A.] 1870:164 [Histoire naturelle des poissons ou ichthyologie générale v. 2; ref. 1147] Port of New York, New York, U.S.A. Holotype (unique): MCZ (whereabouts unknown). •Synonym of Acipenser brevirostrum Lesueur 1818 -- (Smith 1986:45 [ref. 22186], Hilton et al. 2011:11 [ref. 31407], Kynard et al. 2016:209 [ref. 35295]). •Synonym of Huso brevirostrum (Lesueur 1818). Current status: Synonym of Huso brevirostrum (Lesueur 1818). Acipenseridae. Habitat: freshwater, brackish, marine.