Fossil Mayfly Larvae (Ephemeroptera, cf. Heptageniidae) from the Late Cretaceous Wapiti Formation, Alberta, Canada

Phil R. Bell; Federico Fanti; John Acorn; Robin S. Sissons

doi:10.1666/12-058R.1

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Phil R. Bell,¹ Federico Fantihttps://orcid.org/0000-0002-2961-8301,² John Acorn,³ Robin S. Sissons⁴

¹Pipestone Creek Dinosaur Initiative, Clairmont, Alberta T0H 0W0, Canada, < >; pbell@countygp.ab.ca
²Dipartimento di Scienze della Terra e Geologico-Ambientali, Alma Mater Studiorum, Università di Bologna 40127, Italy, < >; federico.fanti@unibo.it
³Department of Renewable Resources, University of Alberta, Edmonton, Alberta T6G 2H1, Canada, < >; and jacorn@ualberta.ca
⁴Grande Prairie, Alberta T8V 4C4, Canada, < > rsissons@gmail.com

Abstract

Fossil mayfly larvae (cf. Heptageniidae) are reported for the first time in the Cretaceous of Canada. The new fossils come from the latest Campanian part of the Wapiti Formation, which crops out in west-central Alberta, near the British Columbia border. These sediments represent mixed lentic and lotic fluvial environments consistent with modern heptageniid ecology. This discovery helps fill a significant temporal gap in heptageniid evolution between the Eocene and their earliest appearance in the Turonian.

The Paleontological Society

Citation Download Citation

Phil R. Bell, Federico Fanti, John Acorn, and Robin S. Sissons "Fossil Mayfly Larvae (Ephemeroptera, cf. Heptageniidae) from the Late Cretaceous Wapiti Formation, Alberta, Canada," Journal of Paleontology 87(1), 147-150, (1 January 2013). https://doi.org/10.1666/12-058R.1

Accepted: 1 June 2012; Published: 1 January 2013

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