A New Crinoid Genus from the Middle Devonian of Iowa, USA (Camerata, Melocrinitidae)

A new Lagerstätte from the Middle Ordovician St. Peter Formation in northeast Iowa, USA

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A new Ordovician arthropod from the Winneshiek Lagerstätte of Iowa (USA) reveals the ground plan of eurypterids and chasmataspidids

artículo científico publicado en 2015

Bivalved arthropods from the Middle Ordovician Winneshiek Lagerstätte, Iowa, USA

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Comments and Replies on “Three new Upper Cambrian stages for North America”: COMMENT

Deposition of the Crow Creek Member, Campanian, South Dakota and Nebraska

Exceptionally preserved conodont apparatuses with giant elements from the Middle Ordovician Winneshiek Konservat-Lagerstätte, Iowa, USA

article published in 2017

High latitude meteoric δ18O compositions: Paleosol siderite in the Middle Cretaceous Nanushuk Formation, North Slope, Alaska

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Sedimentary-clast breccias of the Manson impact structure

Sedimentation and stratigraphic architecture of a Middle Devonian (late Givetian) transgressive-regressive carbonate-evaporite cycle, Coralville Formation, Iowa area

artículo científico publicado en 1997

Shallow-water onlap model for the deposition of Devonian black shales in New York, USA: COMMENT

artículo científico publicado en 2019

Soot and palynologic analysis of Manson impact-related strata (Upper Cretaceous) of Iowa and South Dakota, USA

scientific article published in 2009

The Decorah structure, northeastern Iowa: Geology and evidence for formation by meteorite impact

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The Plum River Fault Zone and The Structural and Stratigraphic Framework of Eastern Iowa ⬇️

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The drilling of the 1991-1992 Geological Survey Bureau and U. S. Geological Survey Manson impact structure research cores

The oldest described eurypterid: a giant Middle Ordovician (Darriwilian) megalograptid from the Winneshiek Lagerstätte of Iowa ⬇️

artículo científico publicado en 2015