Echinoidea taxon details
original description
(of Hemicidaris Wrightii Desor, 1855 †) Desor, E. 1855-1858. Synopsis des échinides fossiles. Reinwald, Paris, lxviii+490 pp., available online at https://www.biodiversitylibrary.org/page/10699378 page(s): 54 [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): 131-132; text-figs 26D, E, 29C, D; pl. 61: figs 10-13; pl. 69: figs 1-11 [details]
From editor or global species database
Diagnosis A Plesiocidaris with trigeminate ambulacral plate-compounding and a short transitional zone of acrosaleniid-style plate-compounding between the large primary tubercles and the adapical simple ambulacral plating. [details]
Fossil range Middle and Upper Bathonian of England [details]
Stratigraphy Forrest Marble Formation; Hampen Formation; Cornbrash Formation; Great Oolite Group [details]
Type locality Pickwick, Whiltshire; Hampen, Gloucestershire; Stanton, Whiltshire, Hampton Cliff, near Bath, Somerset [details]
Type material Holotyp: NHM E1683
NHM = Natural History Museum London, UK [details]
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