Echinoidea taxon details
original description
(of Echinus minutus Buckman in Murchison, 1845 †) Murchinson, R.I. (1845). Outline of the geology of the neighbourhood of Cheltenham (2nd edition). London: John Murray. page(s): 95 [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): 69-71; text-fig. 12E-G, pl. 42: figs 1-15, pl. 43: fig. 1 [details]
From editor or global species database
Diagnosis Small, regular echinoid with a large apical disc whose plates are not firmly bound to the corona. Ambulacral plating simple and uniform, with every third element bearing a primary tubercle; pore-pairs small and uniserially aligned. Interambulacral plates bear a single large primary tubercle with a small, perforated mamelon and strongly crenulated platform. Teeth trapezoidal in cross-section, incorporating large triangular secondary plates. Spines simple, needle-like and much longer than the diameter of the test. [details]
Fossil range Upper Sinemurian to Lower Pliensbachian of southern England; Lower Pliensbachien Davoei Zone of the French Ardennes [details]
Stratigraphy Charmouth Mustone Formation (at type locality) [details]
Type locality Alderton Hill, near Cheltenham, Gloucestershire, UK [details]
Type material Lectotyp: NHM E8809; Paralectotyp: NHM E8808
NHM = Natural History Museum London, UK [details]
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