| 1. | The red-breasted nuthatch is monotypic across its extensive range.
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| 2. | This swallow is monotypic, and no subspecies are currently recognized.
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| 3. | It is in the monotypic genus " Photocorynus ".
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| 4. | He referred cranial and postcranial material originates from a monotypic bonebed.
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| 5. | It is monotypic within the genus " Thescelocichla ".
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| 6. | It is monotypic within the genus " Megazosterops ".
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| 7. | It is monotypic within the genus " Metabolus ".
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| 8. | It is monotypic within the genus " Tephrozosterops ".
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| 9. | As currently defined, the black-spotted barbet is monotypic.
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| 10. | It is monotypic within the genus " Trogonophis ".
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