Syn.: Acer trilobatum A. Br.
Family: Aceraceae Juss.; Sapindaceae Juss.
Distribution: Acer tricuspidatum is an extinct species of maple. The most common maple of the late Tertiary Period in Europe.
Ecology: It grew in swamps and marshes.
Description: Tree, leaves were petiolate, up to 15 cm long, 3-lobed, with an irregularly toothed margin. The fruit was double samara.
Note: The closest related species to Acer tricuspidatum is a recent Acer rubrum from the eastern part of North America.
These fossils come from the opencast mine Bílina, Czechia (Miocene).