Wright, T. (1863). Monograph of the British Fossil Echinodermata from the Oolitic Formations, vol. 2: The Asteroidea and Ophiuroidea. Paleontographical Society, London. i-iv, 1-130.
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Wright, T.
1863
Monograph of the British Fossil Echinodermata from the Oolitic Formations, vol. 2: The Asteroidea and Ophiuroidea