| Echinarachniidae Temporal range: Middle Eocene–Present PreꞒ Ꞓ O S D C P T J K Pg N | |
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| An image of Echinarachnius parma, one of the species in this clade. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Echinoidea |
| Order: | Clypeasteroida |
| Family: | Echinarachniidae |
Echinarachniidae is a family of echinoderms belonging to the order Clypeasteroida. 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.
Genera
Genera:
- Astrodapsis Conrad, 1856
- Echinarachnius Gray, 1825
- Faassia Shmidt, 1971
- Kewia Nisiyama, 1935
- Proescutella Pomel, 1883
- Pseudastrodapsis Durham, 1953
- Scutellaster Cragin, 1895
- Tenuirachnius Durham, 1955
- Vaquerosella Durham, 1955
References
- ^ "Echinarachniidae". www.gbif.org. Retrieved 13 May 2021.
- "Echinarachniidae - Natural History Museum". www.nhm.ac.uk. Retrieved 2023-11-09.
| Taxon identifiers | |
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| Echinarachniidae | |
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