WoRMS taxon details
Holotype USNM 143610, verbatimGeounit Liberty Point. Robin... [details]
From editor or global species database
Depth range Intertidal coarse sand [details]
Distribution Known only from type locality in Maine (Northwestern Atlantic). Intertidal coarse sand. [details]
Etymology Named for Professor Nathan W. Riser (Nahant, Massachusetts, U.S.A.), who kindly provided the material. [details]
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