“Quadracythere ? sp” by N. d. Hornibrook is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Smithsonian Open Access.

Quadracythere ? sp

N. d. Hornibrook

Title	Quadracythere ? sp
Artist	N. d. Hornibrook
Origin	South Island, New Zealand, Oceania South Island
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

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Updated 2026-09-05