Downs, Jason P.Daeschler, Edward B.Lo, NathanaelCarey, Emily N.Shubin, Neil H.2019FIG. 1. — A in Asterolepis alticristata n. sp. (Antiarchi) from the Upper Devonian (Frasnian) of Nunavut, Canada, and a report on the antiarch diversity of the Fram Formation10.5281/zenodo.3695596FIG. 1. — A, Map of Ellesmere Island; B, map of southwestern Ellesmere Island (rectangular inset of A) showing the locations of the field sites that have produced antiarch material; C, stratigraphy of the Okse Bay Group; D, stratigraphy of the Fram Formation type section.ACDevonianAgeLateMiddleFrasnianGivetianEifelianHellHelcaSouthernEllesmereIslandNordstrandPointFramFormationFormationFormationFormationStrathconaFiordFormationGateBayBDm1125FORMATIONFRAM585565545525505485465mGooseBirdFiordFiordSorNV80Vendom2KkmFiord17SiltstoneCross-BeddedSandstoneFiord