Paleopneustina

Paleopneustina is a suborder of sea urchins of the order Spatangoida. Its taxonomy is still under investigation.
The following subdivisions are accepted within Paleopneustina:

Superfamily Paleopneustoidea
* Family Paleopneustidae
* Family Pericosmidae
Family †Periasteridae
Family Prenasteridae
Family Schizasteridae

Several other genera have been placed in temporary unnamed families:

Family †Paleopneustina incertae sedis
* †Kertaster
Family Paleopneustina incertae sedis A
* †Eopericosmus
* †Hemigymnia
* Schizocosmus
Family Paleopneustina incertae sedis B
* Amphipneustes
* Brachysternaster
* †Brissolampas
* Genicopatagus
* Heterobrissus
* †Megapetalus
* Parapneustes
* †''Pygospatangus''