Insecta - Orthoptera - Promastacidae

Full reference: D. K. M. Kevan and D. C. Wighton. 1981. Paleocene orthopteroids from south-central Alberta, Canada. Canadian Journal of Earth Sciences 18:1824-1837

Parent taxon: Eumastacoidea according to D. K. M. Kevan and D. C. Wighton 1981

See also Eades et al. 2012

Sister taxa: Chorotypidae, Episactidae, Eumastacidae

Subtaxa: Promastax

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Ecology: fast-moving ground dwelling grazer-herbivore

Distribution: found only at Horsefly Mine (Eocene of British Columbia)

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