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, Ninella
Subtaxa: Wiwaxia corrugata Wiwaxia foliosa
Type: Orthotheca corrugata
Ecology: epifaunal grazer
Distribution:
• Delamaran of Canada (26: British Columbia collections), United States (1: Utah)
• Waucoban of Canada (5: Northwest Territories)
• Cambrian of Canada (3: Brithish Columbia, British Columbia), China (3), the Russian Federation (1)
Total: 39 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.