membras, Clupea Wulff [J. C.] (ex Linnaeus) 1765:39 [Ichthyologia, cum amphibiis regni Borussici. Methodo Linnaena disposita.; ref. 17844] Rivers of Borussia [Prussia], Germany. No types known. Validates the Clupea harengus membras of Linnaeus 1761:128 [ref. 7169].. •Synonym of Clupea harengus Linnaeus 1758, but a valid subspecies membras Wulff 1765 -- (Mitrofanov et al. 1992:49 [ref. 37756], Fricke 2007:26 [ref. 30577], Parin et al. 2014:56 [ref. 33547]). Current status: Synonym of Clupea harengus Linnaeus 1758. Clupeidae. Distribution: Baltic Sea. Habitat: brackish, marine.