| Echinarachniidae Temporal range: | |
|---|---|
.jpg.webp) | |
| 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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