Kroh & Smith (2010, p. 169) first used this taxon at superfamily rank (as Histocidaridea Kroh & Smith, 1910, p. 169). [details]
Trace fossil (ichnofossil) presumably produced by burrowing echinoids. [details]
Scutelliform echinoids with food grooves bifurcating at edge of basicoronal circlet (except highly paedomorphic ... [details]
Lower Carboniferous (Mississippian - Tournaisian) [details]
Middle to Upper Jurassic (Bajocian-Oxfordian) [details]
Campanian, Upper Cretaceous to Danian, Paleocene [details]
Burrellian, Early Caradoc, Middle Ordovician [details]
Bajocian (Middle Jurassic) to Cenomanian (Late Cretaceous) [details]
Middle to Upper Jurassic (Bajocian-Kimmeridgian) [details]
Tithonian (Upper Jurassic) to Berriasian (Lower Cretaceous) [details]
Cenomanian to Maastrichtian (Upper Cretaceous) [details]
Lower Jurassic (Plliensbachian) to Lower Cretaceous (Aptian) [details]
Lower Silurian (Llandovery) to Upper Carboniferous [details]