Scutellidae

Scutellidae is a family of sand dollars (flat sea urchins) in the superfamily Scutellidea. All genera except Scaphechinus are extinct.

Scutellidae Temporal range: Oligocene–Quaternary PreꞒ Ꞓ O S D C P T J K Pg N [1]
Fossils of Scutella paulensis from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Subclass:	Euechinoidea
Order:	Clypeasteroida
Superfamily:	Scutellidea
Family:	Scutellidae Gray, 1825[2]

Genera

As of 2017^[update], the World Register of Marine Species recognizes the following seven genera in this family:^[3]

• †Allaster Nisiyama, 1968
• †Parascutella Durham, 1953
• †Remondella Durham, 1955
• †Samlandaster Lambert, in Lambert & Thiéry, 1914
• Scaphechinus A. Agassiz, 1864
• †Scutella Lamarck, 1816
• † (sea urchin) Tournouër, 1869

• 
  Scaphechinus mirabilis (Suma Aqualife Park, Kobe, Japan)
• 
  Scutella paulensis (MNHN)
• 
  Scutella subrotunda (MNHN)