Apatopygidae
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Taxonavigation
| Taxonavigation: Cassiduloida |
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Superregnum: Eukaryota |
Familia:
Genera (2 + 2†): Apatopygus – †Jolyclypus – †Nucleopygus – Porterpygus
Name
Type genus: Apatopygus Hawkins, 1920, by monotypy.
References
Primary references
- Kier, P.M. 1962. Revision of the cassuloid echinoids. Smithsonian Miscellaneous Collections 144(3): 262 pp. + 44 pl. BHL