Wednesday, October 19, 2022
Mioplosus labricoides Fish Fossil
This fossil was displayed on August 2022, at the Harvard Museum of Natural History in Cambridge, Massachusetts, USA. This fish fossil is called Mioplosus labricoides (Cope, 1887). This specimen was found in the Green River Formation at Kemmerer Wyoming USA. It dates to the Eocene Epoch (48 million years ago), Paleogene Period.
Tuesday, October 18, 2022
Priscacara serrata Fish Fossil at Harvard
This fossil was displayed on August 2022, at the Harvard Museum of Natural History in Cambridge, Massachusetts, USA. This fish fossil is called Priscacara serrata (Cope, 1887). This specimen was found in the Green River Formation at Kemmerer Wyoming USA. It dates to the Eocene Epoch (48 million years ago), Paleogene Period
Thursday, September 29, 2022
Priscacara pealei Fish Fossil
This fossil was displayed on August 2022, at the Harvard Museum of Natural History in Cambridge, Massachusetts, USA. This fish fossil is called Priscacara pealei (Cope, 1887). This specimen was found in the Green River Formation at Kemmerer Wyoming USA. It dates to the Eocene Epoch (48 million years ago), Paleogene Period
Monday, September 26, 2022
Harvard Notogoneus osculus Fish Fossil
This fossil was displayed on August 2022, at the Harvard Museum of Natural History in Cambridge, Massachusetts, USA. This fish fossil is called Notogoneus osculus (Cope, 1885). This specimen was found in the Green River Formation at Kemmerer Wyoming USA. It dates to the Eocene Epoch, Paleogene Period. Catalog number is MCZ5350 or VPF-5350.
https://mczbase.mcz.harvard.edu/guid/MCZ:VP:VPF-5350
Posted another specimen at the American Museum of Natural History in 2020.
https://louisvillefossils.blogspot.com/2020/03/notogoneus-osculus-fish-fossil.html
Friday, August 26, 2022
Priscacara Fish Fossil
This fossil was displayed on August 2022, at the Harvard Museum of Natural History in Cambridge, Massachusetts, USA. This fish fossil is called Priscacara (Cope, 1877). This specimen was found in Wyoming (probably Green River Formation). It dates to the Eocene Epoch.
Sunday, September 26, 2021
Phareodus testis Fish Fossil
My trip earlier this month to Alpena, Michigan USA with several amateur paleontologists from Louisville and Chicago, we visited a local paleontologist Paleo Joe (aka Joseph Kchodl). This picture is of one of his fish fossils from Kemmerer, Wyoming USA. This fossil is known as Phareodus testis (Cope, 1877). It was found in the Green River Formation and existed in the Eocene Epoch Paleogene Period.
Tuesday, May 11, 2021
Leidyosuchus wilsoni Crocodile Skull Fossil
This crocodile skull fossil was on display at the American Museum of Natural History (AMNH) in New York City in July 2018. The fossil was named Leidyosuchus wilsoni (Mook, 1959). It was found in the Green River Formation at Wamsutter, Wyoming, USA and dates to the Middle Eocene Epoch. Accession number is AMNH 7637 and it is the type specimen. A gift from L. R. Wilson in 1956.
It was described in April 22, 1959 issue of American Museum Novitates in an paper entitled A New Species of Fossil Crocodile of the Genus Leidyosuchus from the Green River Beds by Charles C. Mook.
Learn more about the museum at https://www.amnh.org/
Monday, May 10, 2021
Plecia Twist Fly Fossils
Learn more about the museum at https://www.amnh.org/
Sunday, May 9, 2021
Mioplosus labracoides Fish Fossil
This fish fossil was on display at the American Museum of Natural
History (AMNH) in New York City in July 2018. The perch fish was
named Mioplosus labracoides (Cope, 1877). It
was found in the Green River Formation at Fossil Butte National Monument, Wyoming, USA and
dates to the Eocene Epoch. Accession number is AMNH 2972.
Learn more about the museum at https://www.amnh.org/
Wednesday, December 30, 2020
Palaeonitella Green Alga Fossil
Here is a green alga fossil called Palaeonitella sp. (Kidston & Lang, 1921). It existed in the Devonian Period (417-354 million years ago). The fossil was found in Wyoming USA.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PP49113.
Friday, December 25, 2020
Bechleja Prawn Fossil
Above is an image of a prawn fossil called Bechleja rostratasp (Feldmann, 1981). This prawn fossil dates to the Eocene Epoch between 54.8 and 33.7 million years ago. It was found Fossil Lake, Wyoming, USA.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PF14047. They have an extensive collection of Fossil Lake fossils at the exhibit including holotypes.
Thursday, December 24, 2020
Trionyx Turtle Fossil
Above is an image of a soft-shelled turtle fossil called Trionyx sp. (Geoffroy Saint-Hilaire, 1809). This turtle fossil dates to the Eocene Epoch between 54.8 and 33.7 million years ago. It was found Fossil Lake, Wyoming, USA. The French naturalist Étienne Geoffroy Saint-Hilaire (1772–1844) named this genus in 1809.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PF1600. They have an extensive collection of Fossil Lake fossils at the exhibit including holotypes.
Tuesday, December 15, 2020
Diplomystus dentatus Fish Fossil
Above is an image of a fish fossil called Diplomystus dentatus (Cope, 1877). This fish fossil dates to the Eocene Epoch between 54.8 and 33.7 million years ago. It was found Fossil Lake, Wyoming, USA. The genus Diplomystus was named by Edward Drinker Cope (1840-1897) in 1877. It is an extinct herring like fish.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PF12501. They have an extensive collection of Fossil Lake fish fossils at the exhibit including holotypes.
Monday, December 14, 2020
Priscacara serrata Fish Fossil
Above is an image of a fish fossil called Priscacara serrata (Cope, 1877). This fish fossil dates to the Eocene Epoch between 54.8 and 33.7 million years ago. It was found Fossil Lake, Wyoming, USA. The genus Priscacara was named by Edward Drinker Cope (1840-1897) in 1877. It is an extinct perch like fish.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PF12571. They have an extensive collection of Fossil Lake fish fossils at the exhibit including holotypes.
The Smithsonian has a 3D scan of one of these fossil fish. If display window does not work go this this link: https://3d.si.edu/object/3d/priscacara-serrata-cope:b6bc8ca2-47b5-48c7-8aba-75c1fb97fbab
Wednesday, September 9, 2020
Stink Bug Fossil
The picture is of a stink bug fossil. The specimen was found at Fossil Lake, Wyoming, USA. It existed in the Eocene Epoch about 54.8 to 33.7 million years ago. The fossil was on display in the Evolving Planet section of the Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PE 51408.
Monday, September 7, 2020
Arachnid Fossil
The picture is of a jumping spider fossil. The arachnid was found at Fossil Lake, Wyoming, USA. It existed in the Eocene Epoch about 54.8 to 33.7 million years ago. The fossil was on display in the Evolving Planet section of the Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PE 60320.
Sunday, September 6, 2020
Eocene Wasp Fossil
The picture is of a wasp fossil. The specimen was found at Fossil Lake, Wyoming, USA. It existed in the Eocene Epoch about 54.8 to 33.7 million years ago. The fossil was on display in the Evolving Planet section of the Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PE 60851.
Saturday, September 5, 2020
Wyoming Bee Fossil
The picture is of a bee fossil. The specimen was found at Fossil Lake, Wyoming, USA. It existed in the Eocene Epoch about 54.8 to 33.7 million years ago. The fossil was on display in the Evolving Planet section of the Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PE 60851.
Friday, September 4, 2020
Fossil Lake Bee or Wasp Fossil
The picture is of an wasp or bee fossil. The specimen was found at Fossil Lake, Wyoming, USA. It existed in the Eocene Epoch about 54.8 to 33.7 million years ago. The fossil was on display in the Evolving Planet section of the Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PE 60849.
Tuesday, September 1, 2020
Damselfly Fossil
The Field Museum of Chicago has an amazing exhibit of insect fossils. The one pictured above was found in 1988 at the Green River Formation of Fossil Lake (Lincoln County), Wyoming, USA. The image is of a damselfly fossil called Zygoptera sp. (Selys, 1854). It existed in the Eocene Epoch about 54.8 to 33.7 million years ago. Damselflies started appearing in the fossil record of the Permian Period.
Learn more from the museum's Brain Scoop You Tube channel featuring Emily Graslie explaining more about this special research fossil site.





















