Contributed by Andrew Smith, December 2013
| Type | Lambert named three species when erecting this species; Micropsidia savini, M. pegoti and M. gauthieri, which are thus cotypes. |
|---|---|
| Classification and/or Status | Erected as a subgenus of Thylechinus |
| Remarks | Lambert, J. 1911. Notes sur quelques échinides Eocéniques des Corbières Septentrionales. Annales de la Université de Lyon, 30, 165-199, pl. 16. |