†family Nicolleaumatidae Vadet 1999 (sea urchin)
Echinoidea - Euechinoidea - Nicolleaumatidae
Full reference: A. Vadet. 1999. Révision des Echinides de Saint Cassian. Mémoires de la Société Académique du Boulonnais 20:1-116
Parent taxon: Acroechinoidea according to A. Kroh 2010
Sister taxa: Aspidodiadematoida, Carinacea, Diadematoida, Micropygoida, Orthopsida, Pedinoida, Pedinopsidae
Subtaxa: Nicolleauma
Ecology: epifaunal grazer-deposit feeder
Distribution:
• Jurassic of the United Kingdom (3 collections)
Total: 3 collections each including a single occurrence