Periarchus lyelli Conrad 1834 (sand dollar)

Echinoidea - Clypeasteroida - Protoscutellidae

Alternative combination: Scutella lyelli

Belongs to Periarchus according to P. M. Kier 1997

See also Clark and Twitchell 1915, Cooke 1942 and Kier 1980

Sister taxa: Periarchus altus, Periarchus kewi, Periarchus pileussinensis, Periarchus protuberans, Periarchus quinquefarius, Periarchus rutriformis

Ecology: slow-moving semi-infaunal detritivore


• Eocene of United States (64: Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina collections)

Total: 64 collections each including a single occurrence

Show more details

Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.