More than 1,800 specimens document Waptia mouthparts, eyes and appendage organization at a scale unavailable from a single reconstruction.
Represented range508–508 Ma
RegionsBurgess Shale, British Columbia, Canada
CladesPancrustacea · Waptia fieldensis
Claim ledger
morphology · high
A series of more than 1,800 Waptia fieldensis specimens, including mandible-bearing ROMIP 56432 and disarticulated ROMIP 64294, documents a bivalved mandibulate body plan; pancrustacean placement and swimming-predator ecology remain topology and functional interpretations.