Family Neolaganidae Durham 1954 (sand dollar)
Echinoidea - Clypeasteroida - Neolaganidae
Full reference: J. W. Durham. 1954. A new family of clypeastroid echinoids. Journal of Paleontology 28:677-684
Parent taxon: Laganina according to J. W. Durham 1955
See also Donovan 1993, Durham 1966 and Kier 1968
Sister taxon: Pentedium
Subtaxa: Cubanaster Durhamella Neolaganum Neorumphia Sanchezella Weisbordella Wythella
Ecology: slow-moving semi-infaunal detritivore
Distribution: