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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Arthropoda (arthropods)
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Order Hymenoptera
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Superfamily Apoidea
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Genus Protandrena
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Species Protandrena abdominalis
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Species Protandrena amplipennis
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Species Protandrena angusticeps
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Species Protandrena avulsa
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Species Protandrena bachue
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Species Protandrena bancrofti
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Species Protandrena bicolor
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Species Protandrena bishoppi
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Species Protandrena blandula
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Species Protandrena boharti
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Species Protandrena cockerelli
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Species Protandrena cognata
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Species Protandrena duplonotata
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Species Protandrena durangoensis
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Species Protandrena eclepta
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Species Protandrena euphorbiae
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Species Protandrena exigua
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Species Protandrena fasciata
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Species Protandrena foveata
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Species Protandrena guarnensis
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Species Protandrena heteromorpha
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Species Protandrena hurdi
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Species Protandrena impressa
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Species Protandrena irwini
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Species Protandrena kansensis
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Species Protandrena lateralis
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Species Protandrena leucopus
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Species Protandrena lipovskyi
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Species Protandrena maculata
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Species Protandrena marstoni
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Species Protandrena maurula
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Species Protandrena maximina
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Species Protandrena metanotalis
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Species Protandrena mexicanorum
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Species Protandrena modesta
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Species Protandrena nudescens
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Species Protandrena pectidis
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Species Protandrena pernitens
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Species Protandrena persimilis
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Species Protandrena polita
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Species Protandrena protuberata
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Species Protandrena punctulata
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Species Protandrena rangeli
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Species Protandrena scutellata
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Species Protandrena semilevis
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Species Protandrena skinneri
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Species Protandrena sorocula
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Species Protandrena sphaeralceae
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Species Protandrena swenki
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Species Protandrena tessellata
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Species Protandrena texana
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Species Protandrena tidestromiae
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Species Protandrena trifoliata
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Species Protandrena trilobata
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Species Protandrena unimaculata
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Species Protandrena verbesinae
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Species Protandrena wayruronga
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Species Protandrena xestops
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