Insecta - Hymenoptera - Megachilidae

Full reference: M. S. Engel. 2001. A monograph of the Baltic amber bees and evolution of the Apoidea (Hymenoptera). Bulletin of the American Museum of Natural History 259:1-192

Parent taxon: Lithurginae according to M. S. Engel 2021

See also Engel 2001 and Gonzalez et al. 2012

Sister taxon: Lithurgini

Subtaxa: Protolithurgus

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Ecology:

Distribution: found only at Baltic amber (AMNH collection) (Eocene of Russian Federation)

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