| Echinarachniidae Temporal range:   | |
|---|---|
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| An image of Echinarachnius parma, one of the species in this clade. | |
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Echinodermata | 
| Class: | Echinoidea | 
| Order: | Clypeasteroida | 
| Family: | Echinarachniidae | 
Echinarachniidae is a family of echinoderms belonging to the order Clypeasteroida.[1] This clade appeared in the Middle Miocene epoch and is still living today in the North Pacific Ocean (California and Japan) ocean to Northeast Canada and Southern United States.[2]
Genera
Genera:[1]
- Astrodapsis Conrad, 1856
 - Echinarachnius Gray, 1825
 - Faassia Shmidt, 1971
 
References
- 1 2 "Echinarachniidae". www.gbif.org. Retrieved 13 May 2021.
 - ↑ "Echinarachniidae - Natural History Museum". www.nhm.ac.uk. Retrieved 2023-11-09.
 
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