Working from those specimens, collected in the Republic, Washington area in the early 1980s, the fossils were studied by Jack A. Wolfe of the University of California and Wesley C. Wehr of the Burke Museum.

[2] They published their 1987 type description for the genus and species in a United States Geological Survey monograph on the North Eastern Washington dicot fossils.

The genus name Langeria is a matronym honoring the American philosopher of mind, Susanne K. Langer, who influenced the analysis and organization of scientific data.

This placement was later questioned and the genus was subsequently reclassified by Indah Huegele and Steven Manchester (2022) as a member of the plane tree family Platanaceae.

The petiole can reach lengths of up to 6 cm (2.4 in) The margin of the leaf has evenly spaced, distinct hook-shaped teeth with rounded sinuses separating them.