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Ordovician Brachiopods from the Hudson Valley, NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Ordovician
Dalmanella sp. (left) Paucicrura rogata (right) Upper Ordovician Ulster Park Formation (proposed) Normanskill Group Port Ewen , NY. -
Ordovician Brachiopods from the Hudson Valley, NY
Jeffrey P posted a gallery image in Member Collections
From the album: Ordovician
Sowerbyella sp. (left) Dalmanella sp. (right) Upper Ordovician Ulster Park Formation (proposed) Normanskill Group Port Ewen, NY. -
From the album: Ordovician
Graptolites (sp.?) Middle Ordovician Canajoharie Shale Canajoharie Gorge Canajoharie, N.Y.- 2 comments
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- Canajoharie Shale
- graptolites
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From the album: Middle Devonian
Tree Branch Cast (possible lycopod?) Middle Devonian Mount Marion Formation Hamilton Group Huguenot, NY. -
From the album: Ordovician
Prasopora simulatrix (bryozoan colony) Middle Ordovician Formation (Sugar River?) Trenton Group Port Henry, NY -
From the album: Middle Devonian
Plant twig/stem (unidentified species) Middle Devonian Mount Marion Formation Hamilton Group Huguenot, NY.-
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- Devonian
- Hamilton Group
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My Silurian eurypterid watercolor from Japanese artist Tasashi Ito, based on a New York specimen. Unfortunatly the fossil is a model.
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Compared to 2014, this season has been a bit of a disappointment as far as finding complete trilobites. True, I found a couple nice Greenops at Deep Springs Road, including one at the TFF gathering last spring. Figuring I had one last chance to make good before winter snows hit, I traveled up to eastern Madison County in Central Upstate New York to an exposure of the Middle Devonian Skaneateles Formation, part of the Hamilton Group. It was my second time there this year and the last time produced one of my best Dipleura dekayi cephalons. I hoped to do at least as well on this, what is likely, my final trip there of the season. I arrived before ten in the morning. Day was crisp- high thirties to low forties, sunny. There were a number of sandstone blocks lying at the foot of the exposure I didn't recall seeing the last time I was there. I proceeded to split these and the second block yielded this: the thorax and pygidium of a Dipleura, the best Dipleura thorax/pygidium I've found so far this year. Soon after I found a partially exposed cephalon of another Dipleura. A little careful chiseling and repair work I was able to expose the whole thing:
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Partial internal mold of Lower Devonian Gastropod from Albany Co., NY
Jeffrey P posted a gallery image in Member Collections
From the album: Lower Devonian
Platystoma sp.? (partial internal mold) Lower Devonian Oriskany Sandstone Tristate Group Helderberg Plateau Albany, Co., NY -
Lower Devonian Brachiopod internal mold from Albany Co., NY
Jeffrey P posted a gallery image in Member Collections
From the album: Lower Devonian
Brachiopod internal mold (Leptostrophia?) Lower Devonian Oriskany Sandstone Tristates Group Helderberg Plateau Albany Co., NY. -
Lower Devonian Macropleura Brachiopod from Albany, Co., NY
Jeffrey P posted a gallery image in Member Collections
From the album: Lower Devonian
Macropleura sp. Lower Devonian New Scotland Limestone Helderberg Group New Salem Albany Co., NY. -
Sandstone Matrix with Lower Devonian Brachiopods from Albany, NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Lower Devonian
Brachiopod internal molds and imprints Meristella and Acrospirifer Lower Devonian Oriskany Sandstone Tristates Group Helderberg Plateau Albany Co., NY -
A Pair of Lower Devonian Trilobite Pygidiums from Trilobite Ridge, NJ.
Jeffrey P posted a gallery image in Member Collections
From the album: Lower Devonian
Phalangocephalus dentalus (trilobite pygidiums) Lower Devonian Glenerie/Port Jervis Formation Tristates Group Trilobite Ridge Montague, NJ. -
Spiny Middle Devonian Brachiopod from Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Elita fimbriata (spiny brachiopod) Middle Devonian Windom Shale Moscow Formation Hamilton Group Deep Spring Road quarry Lebanon, NY -
From the album: Lower Devonian
Platystoma ventricosa Lower Devonian Glenerie Limestone Tristates Group Route 9W road cut Glenerie, NY. -
Lower Devonian Tentaculites from Glenerie, NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Lower Devonian
Tentaculites sp. Lower Devonian Glenerie Limestone Helderberg Group Route 9W road cut Glenerie, NY. -
Middle Devonian Trilobite (Dipleura) Cephalon from Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Dipleura dekayi (cephalon) Middle Devonian Skaneateles Formation Delphi Member Hamilton Group Cole Hill quarry North Brookfield, NY -
Middle Devonian Bivalve ( Nuculoidea) from Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Nuculoidea deceptriformis (bivalve) Middle Devonian Oatkacreek Formation Mottville Member Marcellus Shale Subgroup Hamilton Group Swamp Road Cut Morrisville, NY. -
Middle Devonian Bivalve (Modiomorpha) from Madison Co., NY
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Modiomorpha concentrica (both valves) Middle Devonian Windom Shale Moscow Formation Hamilton Group Deep Springs Road quarry Lebanon, NY. -
Middle Devonian Bryozoan from Madison Co., NY.
Jeffrey P posted a gallery image in Member Collections
From the album: Middle Devonian
Taeniopora exigua (branching bryozoan) Middle Devonian Windom Shale Moscow Formation Hamilton Group Deep Springs Road quarry Lebanon, NY. -
From the album: Middle Devonian
Actinopteria boydi (bivalve) Middle Devonian Windom Shale Moscow Formation Hamilton Group Deep Springs Road quarry Lebanon, NY. -
From the album: Middle Devonian
Tornoceras mosopleuron (goniatite) Middle Devonian Mount Marion Formation Dave Elliot Bed Hamilton Group Route 209 Roadcut Kingston, NY -
From the album: Middle Devonian
Tornoceras mosopleuron (goniatite with bivalve imprint) Middle Devonian Mount Marion Formation Dave Elliot Bed Hamilton Group Route 209 Roadcut Kingston, NY- 1 comment
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From the album: Middle Devonian
Tornoceras mosopleuron (goniatite) Middle Devonian Mount Marion Formation Dave Elliot Bed Hamilton Group Route 209 road cut Kingston, NY. -
On Monday I visited a site north of Morrisville, Madison County, NY. It is a roadcut exposure of the Marcellus Shale, the lowest part of the Hamilton Group. The bottom part is an exposure of the Bridgewater Member and the top is the Oatkacreek Formation. It was my third time there and each visit has presented a different experience: In the spring of 2013 my companion and I explored the talus slopes that cover most of the exposure and found a number of specimens of the top-shaped gastropod, Bembexia subcomarginata along with brachiopods and bivalves. I returned in the spring of 2014, this time exploring the shale outcrops above the talus slope and picked a number of Bembexia right from the shale wall. On Monday I climbed the steep talus slope again and dug into the shale exposure at the top and discovered a thin bed that was rich in well preserved examples of the tiny corkscrew-shaped gastropod, Paleozygopleura. Also found a number of Bembexia, plus bivalves and brachiopods including Grammysia bisculata and Spinocyrtia granulosa, and one pretty large bivalve with both valves preserved that I first thought was a concretion, and the smooth-shelled nautiloid, Michelinoceras.. This is a photo of the road cut with my vehicle in the foreground for scale.
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