Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Wiwaxia
Classification
Phylum:
Annelida
Class:
Polychaetia
Order:
Miskoiida
Family:
Wiwaxiidae
Formal Genus Name and Reference:
Wiwaxia WALCOTT, 1911
Type Species:
*Orthotheca corrugata MATTHEW, 1899
Images
(Click to enlarge in a new window)
Fig. 106,3. *W. corrugata (MATTHEW), Burgess Sh., Can. (B.C.); X2 (154)
Synonyms
Geographic Distribution
W.N.Am.
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
40
Beginning Date:
512.3
Ending Stage in Treatise Usage:
M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
50
Ending Date:
498.75
Description
Family = Body oval, covered with dorsal ribbed scales and strong, elongate spines. [Marine.] Genus = Entire dorsal surface covered by long scales
References
Walcott, C. D., 1911, Cambrian geology and paleontology II, no. 5, Middle Cambrian annelids: Smithsonian Misc. Coll., v. 57, no. 5, p. 109-144, pl. 18-23.
Museum or Author Information
Classification
Phylum:
Annelida
Class:
Polychaetia
Order:
Miskoiida
Family:
Wiwaxiidae
Formal Genus Name and Reference:
Wiwaxia WALCOTT, 1911
Type Species:
*Orthotheca corrugata MATTHEW, 1899
Images
(Click to enlarge in a new window)
Fig. 106,3. *W. corrugata (MATTHEW), Burgess Sh., Can. (B.C.); X2 (154)
Synonyms
Geographic Distribution
W.N.Am.
Age Range
Beginning Stage in Treatise Usage:
M.Cam.
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
40
Beginning Date:
512.3
Ending Stage in Treatise Usage:
M.Cam.
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
50
Ending Date:
498.75
Description
Family = Body oval, covered with dorsal ribbed scales and strong, elongate spines. [Marine.] Genus = Entire dorsal surface covered by long scales
References
Walcott, C. D., 1911, Cambrian geology and paleontology II, no. 5, Middle Cambrian annelids: Smithsonian Misc. Coll., v. 57, no. 5, p. 109-144, pl. 18-23.