Browsing Department of Geography by Subject "Burgess shale type fossil"

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Disc-shaped fossils resembling porpitids or eldonids from the early Cambrian (series 2: stage 4) of western USA

MacGabhann, Breandán Anraoi; Lieberman, Bruce S.; Kurkewicz, Richard; Shinogle, Heather; Kimmig, Julien (PeerJ, 2017)

The morphology and affinities of newly discovered disc-shaped, soft-bodied fossils from the early Cambrian (Series 2: Stage 4, Dyeran) Carrara Formation are discussed. These specimens show some similarity to the Ordovician ...