ToL Scientific Contributors for Orconectes (Hespericambarus) difficilis
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Keith A. Crandall
Brigham Young University, Provo, Utah, USA
(Crustacea)
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James W. Fetzner, Jr.
Carnegie Museum of Natural History, Pittsburgh, Pennsylvania, USA
(Astacidea)
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Horton H. Hobbs, Jr.
Wittenberg University, Springfield, Ohio, USA
(Astacidae)
