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Echinoidea source details
Marchesini Santos, M. E. C. 1960. Equióides Crácicos do Rio Grande do Norte. Divisäo de Geologia e Mineralogia Boletim 1-26.
169350
Publication
from Kier & Lawson (1978)
Date action by
Phymosoma tinocoi Marchesini Santos, 1960 † (original description)
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