original description
Smith, A.B. (2016). British Jurassic Regular Echinoids. <em>Monograph of the Palaeontographical Society.</em> 170 (646): 69-176, pls 42-82.
page(s): 93 [details]
From editor or global species database
Diagnosis Genus or regular echinoid with a monocyclic apical disc that incorporates numerous periproctal plates. Ambulacral tubercles no more than one-third the diameter of interambulacral tubercles on ambital plates. Ambulacral plating trigeminate, compound in acrosaleniid style from ambitus adapically. Scrobicular tubercles differentiated. [details]