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| Kingdom Animalia |
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Andrena angelesia Timberlake, 1951 – valid
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Andrena blandula Timberlake, 1951 – invalid
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Andrena californica Timberlake, 1951 – invalid
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Andrena californica wickhami Timberlake, 1951 – invalid
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Andrena chlorogaster gavilanica Timberlake, 1951 – invalid
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Andrena chlorogaster nesiotes Timberlake, 1951 – invalid
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Andrena cryptanthae Timberlake, 1951 – valid
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Andrena dissimulans Timberlake, 1951 – valid
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Andrena duboisi Timberlake, 1951 – valid
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Andrena essigi Timberlake, 1951 – invalid
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Andrena haroldi Timberlake, 1951 – invalid
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Andrena isocomae Timberlake, 1951 – valid
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Andrena lativentris Timberlake, 1951 – valid
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Andrena layiae Timberlake, 1951 – valid
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Andrena limnanthis Timberlake, 1951 – invalid
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Andrena misella Timberlake, 1951 – valid
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Andrena opacella Timberlake, 1951 – invalid
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Andrena palpalis Timberlake, 1951 – valid
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Andrena plumiscopa Timberlake, 1951 – valid
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Andrena radialis Timberlake, 1951 – invalid
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Andrena subdepressa Timberlake, 1951 – valid
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Andrena vexabilis Timberlake, 1951 – invalid
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Anthophora coptognatha Timberlake, 1951 – valid
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Anthophora fulvicollis Timberlake, 1951 – invalid
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Anthophora pernicis Timberlake, 1951 – invalid
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Anthophora platti Timberlake, 1951 – valid
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Anthophora vannigera Timberlake, 1951 – valid
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Colletes annae disseptus Timberlake, 1951 – valid
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Colletes bryanti Timberlake, 1951 – valid
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Colletes cercidii Timberlake, 1951 – valid
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Colletes covilleae Timberlake, 1951 – valid
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Colletes deserticola Timberlake, 1951 – valid
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Colletes hyalinus oregonensis Timberlake, 1951 – valid
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Colletes larreae Timberlake, 1951 – valid
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Colletes laticinctus Timberlake, 1951 – valid
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Colletes linsleyi Timberlake, 1951 – valid
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Colletes lutzi interior Timberlake, 1951 – valid
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Colletes lutzi monticola Timberlake, 1951 – valid
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Colletes lutzi pinorum Timberlake, 1951 – valid
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Colletes metzi Timberlake, 1951 – valid
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Colletes nitescens Timberlake, 1951 – valid
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Colletes paniscus mertensiae Timberlake, 1951 – valid
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Colletes paniscus sculleni Timberlake, 1951 – valid
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Colletes rudis Timberlake, 1951 – valid
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Colletes solitarius Timberlake, 1951 – valid
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Colletes sphaeralceae Timberlake, 1951 – valid
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Colletes tectiventris Timberlake, 1951 – valid
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Colletes turgiventris Timberlake, 1951 – valid
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Colletes vandykei Timberlake, 1951 – valid
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Colletes xerophilus Timberlake, 1951 – valid
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Colletes xerophilus cismontanus Timberlake, 1951 – valid
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Colletes xerophilus sonoranus Timberlake, 1951 – valid
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Colletes xerophilus xerophilus Timberlake, 1951 – valid
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Megandrena koebelei Timberlake, 1951 – invalid
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Megandrena larreae Timberlake, 1951 – invalid |
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