Echinoidea

Translingual

Echinus esculentus

Etymology

Echinus +‎ -oidea

Proper noun

Echinoidea

A taxonomic class within the phylum Echinodermata – the sea urchins and sand dollars.[1]

Hypernyms

(class): Eukaryota - superkingdom; Animalia - kingdom; Bilateria - subkingdom; Deuterostomia - infrakingdom; Deuterostomia - superphylum; Echinodermata - phylum; Echinozoa - subphylum[1]

Hyponyms

(class): Euechinoidea (almost all extant species), Perischoechinoidea (primitive and extinct sea urchins) (subclasses)

OR

(class per Ruggiero): Cidaroidea, Euechinoidea - subclasses[1]

Coordinate terms

(class per Ruggiero): Holothuroidea[1]

References

Sea urchin on Wikipedia.Wikipedia
Echinoidea on Wikispecies.Wikispecies
Echinoidea on Wikimedia Commons.Wikimedia Commons
Echinoidea at the Tree of Life Web Project

Ruggiero MA, Gordon DP, Orrell TM, Bailly N, Bourgoin T, Brusca RC, et al. (2015) A Higher Level Classification of All Living Organisms. PLoS ONE 10(4): e0119248. doi: 10.1371/journal.pone.0119248. pmid:25923521

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