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]

Echinarachniidae
Temporal range: Middle Eocene–Present
An image of Echinarachnius parma, one of the species in this clade.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Clypeasteroida
Family: Echinarachniidae

Genera

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Genera:[1]

References

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  1. ^ a b "Echinarachniidae". www.gbif.org. Retrieved 13 May 2021.
  2. ^ "Echinarachniidae - Natural History Museum". www.nhm.ac.uk. Retrieved 2023-11-09.