Echinoidea taxon details
original description
(of Hemicidaris brillensis Wright, 1861 †) Wright, T. (1861). The fossil Echinodermata, Oolitic. Vol. 1, part 4. <em>Monograph of the Palaeontographical Society.</em> London: 391-468, pls 37-43 (Issue 50, part of Volume 12). page(s): 453; pl. 43: fig 2 [details]
new combination reference
Smith, A.B. (2016). British Jurassic Regular Echinoids. <em>Monograph of the Palaeontographical Society.</em> 170 (646): 69-176, pls 42-82. page(s): 123-124; text-fig. 27H, I; pl. 65: figs 6-9 [details]
From editor or global species database
Diagnosis Apical disc hemicyclic with very large periproct occupying more than 70% of the apical disc diameter. Primary ambulacral tubercles large and biserially organized at the ambitus and supra-ambitally. Interambulacral tubercles narrowly contiguous at ambitus. [details]
Fossil range Tithonian Kerberus Zone of Brill, Buckinhamshire, UK; Tithonian of France [details]
Stratigraphy Portland Formation [details]
Type locality Buckinghamshire, UK; France [details]
Type material Holotyp: NHM E3745
NHM = Natural History Museum London, UK [details]
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