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Echinoidea source details
Gregory, J. W. (1897). On the affinities of the Echinothuridae; and on Pedinothuria and Helicodiadema, two new genera of Echinoidea. Quarterly Journal of the Geological Society of London. 53: 112-122, pl. 7.
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Gregory, J. W.
1897
On the affinities of the Echinothuridae; and on <i>Pedinothuria</i> and <i>Helicodiadema</i>, two new genera of Echinoidea
Quarterly Journal of the Geological Society of London
53: 112-122, pl. 7
Publication
Pedinothuria Gregory, 1897 † (original description)
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