Family Trigonalidae Cresson 1887 (wasp)

Insecta - Hymenoptera - Trigonalidae

Alternative spelling: Trigonalyidae

Parent taxon: Trigonaloidea according to S. B. Archibald et al. 2018

See also Carpenter 1992, Rasnitsyn 1986, Rasnitsyn and Brothers 2009, Sharkey 2007 and Statz 1938

Sister taxon: Maimetshidae

Subtaxa: Darbigonalus Eotrigonalis Trigonalys

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Ecology:

Distribution:

• Oligocene of Germany (1 collection)

• Eocene of Canada (2: British Columbia), the Russian Federation (1)

• Cretaceous of Mongolia (1), Myanmar (1)

Total: 6 collections each including a single occurrence

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