http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
subgenera of the crayfish genus Procambarus (Decapoda: Astacidae)
1 online resource (22 pages) : illustrations
Title from title screen (viewed Nov. 5, 2009).
Includes bibliographical references (pages 13-14).
Smithsonian contributions to zoology ; no. 117