Catskill Formation
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The Devonian Catskill Formation or the Catskill Clastic Wedge is a unit of mostly terrestrial sedimentary rock found in Pennsylvania and New York. Minor marine layers exist in this thick rock unit. It
Outcrop of the Irish Valley Member of the Catskill Formation along the Horseshoe Curve, Blair County, Pennsylvania
Cut slab of the Catskill Formation from the Coleman Quarry of the Endless Mountain Stone Company, Susquehanna County, Pennsylvania, showing mud clasts within sandstone
Point bar deposits in the Catskill Formation (Devonian) near North Bend, PA.
Groenlandaspis pennsylvanica
Eusthenodon
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Eusthenodon is an extinct genus of marine tristichopterid tetrapodomorphs from the Late Devonian period, ranging between 365 and 359 million years ago. They are well known for being a cosmopolitan gen
Catskill Formation
…County, Pennsylvania Holotype is a partial skull, 1 specimen. A lungfish of uncertain affinities. Densignathus D. rowei A stegocephalian tetrapodomorph. Eusthenodon E. bourdoni A tristichopterid tetrapodomorph. E. leganihanne Hyneria H. lindae Red Hill Site, Clinton County, Pennsylvainia Holotype is a disarticulated…
Eusthenodon DB15
Eusthenodon wangsjoi
Eucritta 1DB white background