Insecta - Hymenoptera - Apidae

Full reference: T. D. A. Cockerell. 1906. Fossil Hymenoptera from Florissant, Colorado. Bulletin of the Museum of Comparative Zoology, Harvard College 50(2):33-58

Parent taxon: Bombidae according to T. D. A. Cockerell 1908

Sister taxa: Bombini, Bombus, Psithyrus

Subtaxa: Calyptapis florissantensis

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Ecology: