eigenmanni, Siphostoma Wilson [C.] 1916:60 [Annals of the Carnegie Museum v. 10 (nos 1/2); ref. 12398] Rio Vermelho, near Salvador, State of Bahia, Brazil. Holotype (unique): FMNH 56857 [ex CM 5672]. Type catalog: Henn 1928:88 [ref. 12305], Ibarra & Stewart 1987:79 [ref. 12367]. •Synonym of Oostethus brachyurus (Bleeker 1853), subspecies lineatus (Kaup 1856) -- (Dawson 1979:476 [ref. 19285], Dawson 1982:18 [ref. 6764]). •Synonym of Microphis lineatus (Kaup 1856) -- (Ferraris in Reis et al. 2003:591 [ref. 27061], Haÿ et al. 2023:23 [ref. 40264]). Current status: Synonym of Microphis lineatus (Kaup 1856). Syngnathidae: Nerophinae. Habitat: freshwater, brackish, marine.