File:Teleoceras major (barrel-bodied rhinos) (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 2.jpg
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Summary
DescriptionTeleoceras major (barrel-bodied rhinos) (Ash Hollow Formation, Miocene, 11.83 Ma; Ashfall Fossil Beds, Nebraska, USA) 2.jpg |
English: Teleoceras major Hatcher, 1894 - barrel-bodied rhinos from a Miocene ash fall deposit in Nebraska, USA.
From on-site info.: UNBORN BABY RHINO ADULT FEMALE PELVIS WITH LEG BONES OF FETUS PRESERVED IN BIRTH CANAL From a skeleton collected in 1977 at the original discovery site about 100 yards northwest of the Rhino Barns. The bones of the unborn do not show symptoms of Marie's Disease, the respiratory conditions that caused the death of the mother and all other mammals found in the ash bed. The most abundant large animal discovered in the volcanic ash bed is an extinct rhinoceros with a body shape similar to today's hippopotamus. Like hippos, barrel-bodied rhinos may have wallowed in the waterholes that dotted the ancient savannas of the Great Plains. Unlike modern-day rhinos, which are primarily solitary creatures, the Nebraska rhino probably was a social species that formed herds. By studying the age and sex of more than 100 skeletons from Ashfall, paleontologists concluded that Teleoceras males (with large tusks) may have defended "harems" of females (with small tusks) and their calves. Young adult male skeletons are remarkably rare in the ash bed, suggesting that "bachelor males" may have been excluded from the breeding herds and forced to live elsewhere. Adult males were only about 3.5 feet tall at the shoulder but were over 10 feet long and 10 feet in circumference around the belly. Females measured 20% smaller. [Teleoceras - ] the name means "perfect horn" and refers to the fact that both mle and female skulls have rough bumps near the end of their nasal bones, proving that they had a true horn in life. All mammal skeletons from the volcanic ash bed in Ashfall Park show a condition called "Marie's Disease", or Hypertrophic Pulmonary Osteodystrophy (HPOD). In modern animals, this abnormal bone growth is associated with lung failure (prolonged suffocation). The volcanic ash that covered the area nearly 12 million years ago was so fine-grained that it apparently caused HPOD in all mammals that could not retreat into burrows. Classification: Animalia, Chordata, Vertebrata, Mammalia, Perissodactyla, Rhinocerotidae Stratigraphy: Cap Rock Member, Ash Hollow Formation, Ogallala Group, Miocene, 11.83 Ma Locality: Ashfall Fossil Beds State Historical Park, northeastern Nebraska, USA Info. at: en.wikipedia.org/wiki/Teleoceras and en.wikipedia.org/wiki/Ashfall_Fossil_Beds |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/52281239547/ |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/52281239547. It was reviewed on 15 November 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
15 November 2022
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5 August 2011
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400
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current | 19:19, 12 November 2022 | ![]() | 2,777 × 1,635 (4.07 MB) | Ser Amantio di Nicolao | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/52281239547/ with UploadWizard |
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Date and time of digitizing | 13:22, 5 August 2011 |
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