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The exact size of Paraceratherium is unknown because of the incompleteness of the fossils. The shoulder height was about 4.8 metres (15.7 feet), and the length about 7.4 metres (24.3 feet). Its weight is estimated to have been about 15 to 20 tonnes (33,000 to 44,000 lb). The long neck supported a skull that was about 1.3 metres (4.3 ft) long.
Paraceratheriidae is an extinct family of long-limbed, hornless rhinocerotoids, native to Asia and Eastern Europe [3] that originated in the Eocene epoch and lived until the end of the Oligocene. They represent some of the largest terrestrial mammals to have ever lived.
Xinjiangtitan shanshanesis from the same family had 15 m (49 ft)-long neck, about 55% of its total length that could be at least 27 m (89 ft). [418] The Middle Jurassic Breviparopus taghbaloutensis was mentioned in The Guinness Book of Records as the longest dinosaur at 48 m (157 ft) although this animal is known only from fossil tracks.
I used figure 1 of the article "An Oligocene giant rhino provides insights into Paraceratherium evolution" to try to measure the skull of Paraceratherium linxiaense in length (lateral view of skull) and height (lateral view of left ramus), and the skull is indeed very long based on the independent scale bars, measuring over 100 cm in length and ...
Aralotherium is an extinct genus of hornless rhinocerotoids closely related to Paraceratherium, one of the largest terrestrial mammals that has ever existed.It lived in China and Kazakhstan during the late Oligocene epoch (28–23 million years ago).
Articles relating to the Paraceratheriidae, an extinct family of long-limbed, hornless rhinocerotoids, native to Asia and Eastern Europe. They originated in the Eocene epoch and lived until the end of the Oligocene. They represent some of the largest terrestrial mammals to have ever lived.
Therefore, there is some uncertainty as to the estimated body size and proportions. AMNH 26168/75 is very fragmentary specimen represented by two large neck vertebrae and a partial metacarpal. However, the remains represent one of the largest land mammals known with an estimated shoulder height of 4.8 metres (15.7 feet). [1]
There were long-legged, cursorial forms and squat, semi aquatic forms. Most species did not have horns. Most species did not have horns. Rhinoceros fossils are identified as such mainly by characteristics of their teeth, which is the part of the animals most likely to be preserved.