Probelesodon minor Fossil

 

This fossil reptile skull and jaw were displayed on August 2022, at the Harvard Museum of Natural History in Cambridge, Massachusetts, USA. It is called Probelesodon minor (Romer, 1973). The creature lived during the middle Triassic Period. Fossil was found in 1965 in the Chañares Formation of La Rioja Province of Argentina.

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/

Scaphonyx sanjuanensis Rhynchosaur Skull Fossil

Scaphonyx sanjuanensis rhynchosaur skull fossil loaned from the Museum of Comparative Zoology, President and Fellows of Harvard College. Accession number is MCZ VPRA-4572. Fossil is described as the remains of a herbivorous beak like pseudo-archosaur reptile. It dates to the Upper Triassic Period and was found in Ischigualasto Formation of Argentina.

Learn more at wikipedia.org.

This fossil was part of the Ultimate Dinosaurs: Giants from Gondwana exhibit at the Museum of Natural History and Science in Cincinnati, Ohio. They were photographed in August 2013. The dinosaur exhibit was created by the Royal Ontario Museum of Toronto Canada.

The exhibit was supported by Associate Exhibit Sponsor Frisch's restaurant and Promotional Partners Cincinnati Reds baseball, newspaper The Enquirer and TV channel Local 12 WKRO Cincinnati.

Stereosternum Reptile Fossil

Here is the original fossil skeleton of a Stereosternum sp. It is specimen ROM 29592 at the Royal Ontario Museum of Toronto, Canada. It dates to the Early Permian Period (about 280 million years ago) and was found in Brazil. It is in the Order of Mesosauria and Family of Mesosauridae.

Learn more about it at wikipedia.org and www.reptileevolution.com.

This fossil was part of the Ultimate Dinosaurs: Giants from Gondwana exhibit at the Museum of Natural History and Science in Cincinnati, Ohio. It was photographed in August 2013. The dinosaur exhibit was created by the Royal Ontario Museum of Toronto Canada.

The exhibit was supported by Associate Exhibit Sponsor Frisch's restaurant and Promotional Partners Cincinnati Reds baseball, newspaper The Enquirer and TV channel Local 12 WKRO Cincinnati.

Mesosaurus brasiliensis Aquatic Reptile Fossil

The aquatic reptile fossil pictured is a Mesosaurus brasiliensis  found in the Irati Formation of Brazil. It dates back 280 million years ago (Lower Permian Period). The museum display lists this fossil as one that shows the transition of reptiles to a freshwater environment. It also shows that the continents Africa and South America were connected since this creature's fossils are only found in those two places.

The reptile was thought to its narrow teeth rowed mouth was used to catch fish and other small aquatic creatures. It swam though the water using is long tail and paddle shaped limbs.

The fossil was loaned by Robert H. Osher family to the museum for exhibit.

Fossil on display at Cincinnati Museum of Natural History & Science as of August 2013.