Two new species, Ameletus minimus sp.nov. and Ameletus quadratus sp.nov., are described and illustrated from material collected in Oregon. Diagnostic features for these two species and their relationships with other Ameletus species are discussed. An identification key to the western species of the Ameletus celer Group is also included.
机构:
North Carolina Museum Nat Sci, Res Lab, Nonmolluscan Invertebrates, Raleigh, NC 27601 USANorth Carolina Museum Nat Sci, Res Lab, Nonmolluscan Invertebrates, Raleigh, NC 27601 USA
Williams, Bronwyn W.
Weaver, Patricia G.
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North Carolina Museum Nat Sci, Geol & Paleontol, Raleigh, NC USANorth Carolina Museum Nat Sci, Res Lab, Nonmolluscan Invertebrates, Raleigh, NC 27601 USA