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

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

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

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

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

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

WIP, London Clay fishes #sciart #wip #eocene #london_clay #teratichthys #beerichthys #carangidae #luvaridae

Ammutichthys loricatus #sciart #Ammutichthys #eocene #Italy #chiusole #Trento

Eomyctophum mainardii #sciart #Eomyctophum #lanternfish #Eocene #Chiusole #Italy #Trento

WIP Ammutichthys loricatus #sciart #Ammutichthys #eocene #Italy #chiusole

WIP Eomyctophum mainardii #sciart #Eomyctophum #lanternfish #Eocene #Chiusole #Italy

🐴 For #FossilFriday the Eocene “dawn horse” Protorohippus venticolus (cast), housed at the Utah Field House of Natural History in Vernal, UT.

The original specimen—now in a private collection—is about 33cm (13 in) tall at the shoulder. It is one of two known specimens from the Fossil Butte Member at Fossil Butte National Monument, Wyoming.

I’ll be posting more about North American equids in the Midwest the next few months.

#Eocene #equus #palaeontology #citizenscience

https://www.nps.gov/fobu/learn/nature/fossil-mammals.htm

A photo I took while at the Field House museum in Vernal Utah.

#Eocene (IPA: /ˈiːəsiːn, ˈiːoʊ-/ EE-ə-seen, EE-oh-[5][6]) is a geological epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second

El Campanile giganteum es el caracol marino, o de cualquier otro tipo, más grande que se conoce. Vivió en el Eoceno (56-34 MdA) y midió hasta 120 cm de longitud, en el límite de tamaño de los gastrópodos, pues su pie deja de ser eficiente con mucho peso o superficie. 🏛️Centro de Biodiversidad Naturalis 📷Ghedoghedo #eoceno #eocene

Another great fossil sorting session this Sunday! It was an unusually fishy afternoon with lots of centra, scales, teeth, and fin rays from several different species being found, among the usual collection of teeth and bone fragments.

Our next session will be Sunday, Nov. 23 at MRU in Calgary. Everyone is welcome, so come on by!

https://albertapaleo.org/events/fossilsorting for more information.

#palaeontology #paleontology #fossils #microfossils #eocene

A fish centrum through a microscope. There are many different pebbles in the field of view. The centrum (backbone) itself is in the centre of the field of view and is a light brown in colour. It looks almost like a brown satellite dish. The end of the vertebra is circular and concave inwards, with rings being clearly visible. Around the side of the vertebra are small protrusions sticking out.

A ray tooth plate, found by Gerhard Maier. It's an unusual structure. Roughly rectangular, there are six bands of harder enamel running parallel to the shorter side of the rectangle. When the ray was living these would have been packed together to provide a crushing surface.

A picture of an insectivore premolar, found by Labib Chowdhury. The tooth is on the white background of a slide and has a dark-brown enamel top and a lighter dentine root. There are two visible roots. The darker enamel portions are split into three high peaks.

An image of a lagomorph incisor found by Vaclav Marsovsky through a microscope. There are a few bits of sand in the view, but not too many. The incisors are quite distinctive, being curved with a black enamel surface. There is a trough in the middle that makes it look like this is really two teeth stuck together.

WIP #sciart #eocene #Trento #eogorgon #krampusichthys

Another great Sunday sorting fossils! It was a spectacular haul with a surprising number of partial jaw fragments found this time.

Rodent molar - CS Ling
Reptile Jaw - Daegan Kovacs
Phalanx - Labib Chowdhury

If you'd like to come assist palaeontological research, our next session is this Sunday! https://albertapaleo.org/events/fossilsorting for more information.

#paleontology #paleontology #fossils #microfossils #alberta #eocene

An image of lots of people sorting fossils. They're looking at microscopes and arranged along a few laboratory benches.

An image with two jaws. In the top left is the jaw bone of a mammal. The bone is black with the alveoli (tooth sockets) clearly visible. In the bottom right is a fragment of reptile jaw. The teeth are still present and you can clearly see their attachment to the jaw.

A phalanx (finger / toe bone). This is a roughly cylindrical bone with one end flattened up-and-down and the other flattened side-to-side.

An image of a rodent molar through a microscope. The top part of the tooth, the enamel, is black and the root is a darker grey. The molar itself is roughly square with prominent knobs.

#PaleoMori day 28. The saber toothed rhino. God, I'm tired. #paleoart #eocene #mammal

Digital sketch of a brownish grey uintatherium on a plain brown background.

⏰New paper⏰

Very excited to share our more recent paper published today in @nature Communications, where we show based on #clumped #isotope measurements in a giant sea #snail 🐚 that Europe experienced a monsoon-like climate during the #Eocene high-CO2 period.

https://www.nature.com/articles/s41467-025-64241-0

The calcaneum (ankle bone) of a rodent from the Eocence Cypress Hills formation, Saskatchewan! This tiny bone is about 50 million years old and was found by one of our volunteers during a fossil sorting session.

If you'd like to get a chance to find your own fossil, our first session of the year is this Sunday!

https://albertapaleo.org/events/fossilsorting for more information.

#palaeontology #paleontology #fossilfriday #fossil #eocene #rodent #saskatchewan #alberta

#eocene

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