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2026 ESCONI Gem, Mineral, and Fossil Show – Preview #35: Priscacara, sp. from the Green River Formation in Wyoming What fossil show is complete without a Green River fish? Here is a nice Priscacara, sp. These fish date to the Eocene, about 50 million years ago. We have other Green River fish, come on out and see them!

2026 ESCONI Gem, Mineral, and Fossil Show – Preview #35: Priscacara, sp. from the Green River Formation in Wyoming #fossils #paleontology #fossilfish #GreenRiver #Wyoming #eocene #ESCONIShow

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Eocyprinus sumatranus
#eocene #eocyprinus #sumatra #barbinae #cyprinidae

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Laurinichthys boschei
#sciart #chiusole #eocene #italy #gempylidae #laurinichthys

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Eothunnus salmoneus
#sciart #eocene #eothunnus #carangidae #london_clay

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Teratichthys antiquitatis
#sciart #carangidae #eocene #london_clay #teratichthys

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Mahengechromis curvifrons
#sciart #cichlidae #mahenge #tanzania #eocene

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Mahengechromis ellipticus
#sciart #cichlidae #mahenge #tanzania #eocene

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Mahengechromis rotundus
#sciart #cichlidae #mahenge #tanzania #eocene

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Mahengechromis brachycranium
#sciart #cichlidae #mahenge #tanzania #eocene

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Mahengechromis plethos
#sciart #cichlidae #mahenge #tanzania #eocene

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Acanthophleges lessiniae
#sciart #verona #chiusole #lutetian #eocene #italy #euzaphlegidae #gempylidae #Acanthophleges

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Eocyprinus sumatranus
#sciart #eocene #sumatra #barbinae #eocyprinus

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Mahengechromis sp.
#WIP #sciart #cichlidae #cichlid #mahenge #mahengechromis #tanzania #eocene

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Mahengechromis plethos
#WIP #sciart #cichlidae #cichlid #mahenge #mahengechromis #tanzania #eocene

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WIP Mahengechromis sp.
#WIP #sciart #cichlidae #cichlid #mahenge #mahengechromis #tanzania #eocene

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WIP Eocyprinus sumatranus
#sciart #eocene #sumatra #barbinae #eocyprinus

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Contemptor mastinoi
#eocene #chiusole #italy #contemptuous #contemptor #gempylidae #sciart

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Krampusichthys tridentinus
#sciart #gempylidae #krampus #krampusichthys #chiusole #eocene #italy

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Contemptor mastinoi
#eocene #chiusole #italy #contemptuous #contemptor #gempylidae #sciart

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Whether this fossil harvestman is a juvenile or an adult is still unclear. It was found in Bitterfeld amber, one of the several ambers from the Paleogene of North/Central Europe.

Size : 1,5cm of body length
Time period : Late Eocene
Paleoart speculativometer : Some Missing parts

The animal drawn is a harvestman, a spider-like animal with extremely long thin legs and a main body made of 1 part (spider's body is split in 2 parts

Whether this fossil harvestman is a juvenile or an adult is still unclear. It was found in Bitterfeld amber, one of the several ambers from the Paleogene of North/Central Europe. Size : 1,5cm of body length Time period : Late Eocene Paleoart speculativometer : Some Missing parts The animal drawn is a harvestman, a spider-like animal with extremely long thin legs and a main body made of 1 part (spider's body is split in 2 parts

What time is it? It’s #Cheliceratime & #Fossilfriday !
For this entry we're talking about Mitostoma gruberi, a harvestman from german eocene amber!

All the basic infos are here but if you want to learn more, there’s more below!⬇️

#harvestman #arachnid #eocene #paleoart #sciart #bugsky #invert
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ESCONI January 2026 Paleontology Meeting – February 21st, 2026 at 7:30 PM – “Death to Discovery: Taphonomy of the Fossil Lake Lagerstatten” Arvid Aase , Head Curator at Fossil Butte National Monument in Wyoming, will present "Death to Discovery: Taphonomy of the Fossil Lake Lagerstatten (Green River Group)." Lakes are divided into three types: overfilled, balance-filled, and under-filled. The characteristics of a balance filled lake create the greatest opportunity for conditions conducive to fossil preservation. Fossil Lake was all three lake types through its 2-million-year existence during the Early Eocene.

ESCONI January 2026 Paleontology Meeting – February 21st, 2026 at 7:30 PM – "Death to Discovery: Taphonomy of the Fossil Lake Lagerstatten" #fossils #paleontology #GreenRiver #Wyoming #eocene

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Dissacus navajovius and Ankalagon saurognathus
#sciart #eocene #paleocene #new_mexico #mesonychidae #mesonychia #dissacus

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Dissacus praenuntius
#sciart #eocene #paleocene #wyoming #mesonychidae #mesonychia #dissacus

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WIP Mesonychids Yantanglestes rotundus and Dissacus praenuntius
#eocene #paleocene #mesonychidae #yantanglestes #dissacus

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Diplomystus & Knightia can be found in the #Eocene Green River Formation, USA. These fish may look familiar as they are distantly related to modern-day herrings and sardines. Knightia are even the most commonly excavated #fossil #fish in the world!

📸: Greg Milner

#FossilFriday #museum #geology

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WIP Green River fishes
#wyoming #Work_in_progress #amyzon #gosiuthichthys #lake_gosiute #eocene #knightia #sciart #hypsidoris

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Prophilopota is an #extinct genus of small-headed flies in the family #Acroceridae. It is known from #BalticAmber from the #Eocene.

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🕷️Preserved in #Eocene Baltic amber, an impressive new #fossil of a harvestman (Arachnida, Opiliones) with unique features on its pedipalps emerges!

➡ Dive into the full study here: doi.org/10.3897/fr.2...

#paleontology

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#pickerel #eocene 54.8 33.7 million years ago fossil lake wyoming

#pickerel #eocene 54.8 33.7 million years ago fossil lake wyoming

#pickerel #eocene 54.8 33.7 million years ago fossil lake wyoming

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A Machaeroides from Saturday's stream- a sabertoothed mammal who lived roughly 50 million years ago.

What's the best way to use tags on Bluesky? Still trying to get the hang of it, maybe just #prehistoric , #Eocene and #sabertooth

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