aepyptera, Ammocoetes Abbott [C. C.] 1860:327 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 12; ref. 15620] Ohio River, near Portland, Meigs County, Ohio, U.S.A. Holotype (unique): ANSP 354. Type catalog: Böhlke 1984:140 [ref. 13621]. •Valid as Okkelbergia aepyptera (Abbott 1860) -- (Lang et al. 2009:51 [ref. 31599]). •Valid as Lampetra aepyptera (Abbott 1860) -- (Lee et al. 1980:21 [ref. 22416], Robison & Buchanan 1988:73 [ref. 23393], Page & Burr 1991:23 [ref. 18983], Boschung 1992:18 [ref. 23239], Etnier & Starnes 1993:95 [ref. 22809], Jenkins & Burkhead 1994:178 [ref. 21581], Warren et al. 1994:132 [ref. 25557], Stauffer et al. 1995:26 [ref. 23376], Mettee et al. 1996:71 [ref. 25836], Yamazaki & Goto 2000:8 [ref. 24514], Ross et al. 2001:69 [ref. 25978], Nelson et al. 2004:48 [ref. 27807], Boschung & Mayden 2004:93 [ref. 27995] with date as 1861, Scharpf 2005:5 [ref. 28940], Martin & White 2008:579 [ref. 29818], Page & Burr 2011:132 [ref. 31215], Renaud 2011:45 [ref. 31770], Page et al. 2013:48 [ref. 32708], Bagley et al. 2023:311 [ref. 41241], Page et al. 2023:36 [ref. 40505]). Current status: Valid as Lampetra aepyptera (Abbott 1860). Petromyzontidae. Distribution: North America: eastern U.S.A. Habitat: freshwater, brackish.