Subfamily Arachnoidinae Duncan 1889

Echinoidea - Clypeasteroida - Clypeasteridae

Alternative spelling: Arachnoididae

Full reference: P. M. Duncan. 1889. A revision of the genera and great groups of the Echinoidea. Journal of the Linnean Society, Zoology 23:1-311

Parent taxon: Clypeasteridae according to A. Kroh and A. B. Smith 2010

See also Clark 1914 and Durham 1966

Sister taxa: Ammotrophinae, Clypeaster, Clypeasterinae

Subtaxa: Ammotrophus Arachnoides Fellaster Fossulaster Monostychia Scutellinoides

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Type: Arachnoides

Distribution:

• Quaternary of New Zealand (1 collection)

• Pliocene of New Zealand (2)

• Miocene to Pliocene of Australia (1)

• Miocene of Australia (1)

• Oligocene of Australia (1)

Total: 6 collections including 7 occurrences

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