Numerous valves of this species have been found in the shell middens on Sidney Island in British Columbia, Canada.
Scolopendra gigantea | Rosa gigantea | Rhynchostylis gigantea | Myristica gigantea | Megateuthis gigantea | Epipactis gigantea | Edwardsina gigantea | Dinoponera gigantea | ''Dinocrocuta gigantea'' skull cast, University of Copenhagen Zoological Museum | Colocasia gigantea | Aristolochia gigantea | Agrostis gigantea | Agathia gigantea |