communis, Ammocoetes Gistel [J.] 1848:104 [Naturgeschichte des Thierreichs; ref. 1822] Rivers and streams. No types known. Apparently an alternate name for Petromyson branchialis Linnaeus 1758. Not treated Renaud 2011:58 [ref. 31770] •Synonym of Lampetra fluviatilis (Linnaeus 1758) -- (Kottelat 1997:27 [ref. 22952] dated to 1850, p. 340). Current status: Synonym of Lampetra fluviatilis (Linnaeus 1758). Petromyzontidae. Habitat: freshwater, brackish, marine.