Early Paleogene brackish-water molluscs from the Caballas Formation of the East Pisco Basin (Southern Peru) Author DeVries, Thomas J. text Journal of Natural History 2019 2018-12-17 53 25 1533 1584 journal article 10.1080/00222933.2018.1524032 034ebcd9-efa7-416a-822c-b6aee0e57a1c 1464-5262 3670229 Genus Incanopsis Olsson, 1944 Type species: Incanopsis acariformis Olsson, 1944 , by monotypy. Late Campanian, northern Peru .