Full reference: C. D. Walcott. 1911. Cambrian Geology and Paleontology II: No.5--Middle Cambrian Annelids. Smithsonian Miscellaneous Collections 57(5):109-144
Parent taxon: Halwaxida according to S. Conway Morris and J.-B. Caron 2007
See also Bambach et al. 2007, Caron and Jackson 2008, Conway Morris and Robison 1988, Sepkoski 2002 and Walcott 1911
Sister taxa: Aculifera, Adversella, Carubacgutes, Halkierioidea, Hippopharangites, Miriella, Quadrochites, Siphogonuchitidae, Siphogonuchitoidea, Orthrozanclidae, Australohalkieria
Subtaxa: Wiwaxia corrugata Wiwaxia douposiensis Wiwaxia foliosa
Ecology: epifaunal grazer
Distribution:
• Cambrian of Canada (32: Alberta, Brithish Columbia, British Columbia, Northwest Territories collections), China (4), the Russian Federation (1), United States (1: Utah)
• Waucoban of Canada (4: Northwest Territories)
Total: 42 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.