Subfamily Laganinae Agassiz 1873 (sand dollar)
Echinoidea - Clypeasteroida - Laganidae
Full reference: A. Agassiz. 1873. Revision of the Echini. Memoirs of the Museum of Comparative Zoology at Harvard College 3:379-628
Parent taxon: Laganidae according to A. Kroh and A. B. Smith 2010
Sister taxa: Fibulina, Hupea, Jacksonaster, Laganum, Neolaganinae, Peronella, Peronellites, Rumphia, Sismondia
Subtaxa: none
Ecology: slow-moving semi-infaunal detritivore
Distribution: there are no occurrences of Laganinae in the database