Hotchkiss, Neill 1967; U.S. Bureau fo Sport Fisheries and Wildlife
USDA Natural Resources Conservation Service
Open Cage, Wiki Commons
USGS
Auguste Le Roux (Limnoria sp.)
Paul Fofonoff
Duane Raver
Courtesy of iCom, artist unknown
Fish and Wildlife Service
By Enrico Blasutto, CC BY-SA 3.0
