Lamellibrachia luymesi is a large sedentary worm that lives in the Atlantic Ocean, particularly in the northern portions of the Gulf of Mexico. This portion of the Gulf of Mexico basin contains several hydrocarbon cold seep vents (not to be confused with super-heated hydrothermal vents). These particular cold seep vents are driven by tectonics of a compact salt and sediment layer beneath the Gulf of Mexico basin. Lamellibrachia luymesi is most abundant along the Louisiana slope of the Gulf of Mexico basin. However, it was first discovered along the Guyana Shelf in the mid 1970s.

Biogeographic Regions: atlantic ocean (Native )