Pikaia gracilens

Taxonavigation
| Taxonavigation: Chordata |
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Superregnum: Eukaryota |
Stem-group Chordata
Genus: †Pikaia
Species: †
Name
Pikaia gracilens Walcott, 1911: 132
References
Primary references
- Walcott, C.D. 1911. Middle Cambrian annelids. In: Cambrian geology and paleontology. II. Smithsonian Miscellaneous Collections 57(5): 109–144, pls. 18–23. BHL. Reference page.