acutirostris, Acipenser Ayres [W. O.] 1854:2 [The Pacific [newspaper] v. 3 and 4 (thru no. 6); ref. 157] San Francisco, California, U.S.A. No types known. Appeared first as above on 1 Dec.; then in Ayres 1854:15 [ref. 18923]. •Valid as Acipenser acutirostris Ayres 1854 -- (Okada 1961:282 [ref. 6363]). •Synonym of Acipenser medirostris Ayres 1854 -- (Mecklenburg et al. 2002:114 [ref. 25968]). •Synonym of Sinosturio medirostris (Ayres 1854). Current status: Synonym of Sinosturio medirostris (Ayres 1854). Acipenseridae. Habitat: freshwater, brackish, marine.