Irregularia
| Use attributes for filter ! | |
| Scientific name | Irregularia |
|---|---|
| Phylum | Echinodermata |
| Infraclass | Irregularia; Latreille, 1825 |
| Rank | Infraclass |
| Subclass | Euechinoidea |
| Class | Echinoidea |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2971240 |
About Irregularia
Irregularia is an extant infraclass of sea urchins that first appeared in the Lower Jurassic.