Dairoidea

 ( Crabs ) 

Dairoidea is a superfamily of , comprising two families which each contain a single genus: Dairidae (the living fossil Daira ) and Dacryopilumnidae ( Dacryopilumnus) .

Dairidae

• Daira americana Stimpson, 1860
• Daira coronata Beschin, De Angeli, Checchi & Zarantonello, 2005 †
• Daira depressa (A. Milne-Edwards, 1865) †
• Daira perlata (Herbst, 1790)
• Daira salebrosa Beschin, Busulini, De Angeli & Tessier, 2002 †
• Daira sicula (Di Salvo, 1933) †
• Daira speciosa (Reuss, 1871) †
• Daira vulgaris Portell & Collins, 2004 †

Dacryopilumnidae

• Dacryopilumnus eremita Nobili, 1906
• Dacryopilumnus rathbunae Balss, 1932