Echinoidea taxon details
original description
(of Tridium kieri Tandon & Srivastava, 1980 †) Tandon, K. K. & Srivastava, D. K. 1980. A new genus and species of the clypeasteroid echinoid from the middle Eocene rocks of Kutch, India. Journal of the Palaeontological Society of India 23-24, 1-3. page(s): 1-3; figs. 1-2, pl. 1: figs 1-6 [details]
new combination reference
Mooi, R., Kroh, A. & Srivastava, D. K. (2014). Phylogenetic re-evaluation of fossil and extant micro-echinoids with revision of Tridium, Cyamidia, and Lenicyamidia (Echinoidea: Clypeasteroida). <i>Zootaxa</i>. 3857(4), 501-526., available online at https://doi.org/10.11646/zootaxa.3857.4.3 page(s): 517-520; figs 1-2, 4, 12 [details]
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