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Ptychaspididae
Extinct family of trilobites From Wikipedia, the free encyclopedia
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Ptychaspididae is a family of trilobites, containing the following genera:[1]
- Alborsella
- Changia
- Eoptychaspis
- Eowuhuia
- Euptychaspis
- Idiomesus
- Kathleenella
- Keithia
- Keithiella
- Macronoda
- Plectrella
- Proricephalus
- Ptychaspis
- Saukioides
- Sunwaptia
- Wilcoxaspis
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References
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