| Ptychaspididae | |
|---|---|
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | †Trilobita | 
| Order: | †Asaphida | 
| Superfamily: | †Dikelokephaloidea | 
| Family: | †Ptychaspididae Raymond, 1924 | 
| Genera | |
| 
 | |
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
References
- ↑ S. M. Gon III. "Order Asaphida". Retrieved November 21, 2010.
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