Kilen in Kronprins Christian Land in eastern North Greenland provides a rare opportunity to study Late Cretaceous faunas at high northern latitudes. A well-preserved fauna discovered in concretions includes a rich assemblage of small kossmaticeratid ammonites, which represent a new species, Kossmaticeras (Kossmaticeras) kilenense sp. nov. (C) 2017 Elsevier Ltd. All rights reserved.