Hettnangian-Lower Toarcian [type stratum] [details]
Lower Bajocian [details]
zone à Lamberti, Upper Callovian [details]
Placed into the genus Anisocidaris Thiéry, 1928 by Vadet (1991) [details]
May-sur-Orne, Normandie, France [type loc.]; Auxois, France; Somerset, England [details]
Laufen, Germany [details]
Marnes de Dives entre Houlgate et Villers sur-mer, Normandie, France [details]
ST: C-EM 12491 (1-5b, 8-10, 14) (tests) C-EM 12489 (4-17-33-38-39-45) (spines) [details]
HT: SMNS 62234 [details]
HT: V 1906(1-2) [details]