Extinct genus of crocodilian, closely related to true crocodiles, that lived in Pakistan during the late Oligocene period.

- Astorgosuchus

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Extinct genus of hornless rhinoceros.

Preparator Otto Falkenbach with P. transouralicum skull (AMNH 18650), formerly assigned to B. grangeri, American Museum of Natural History
1923 skeletal reconstructions of B. grangeri (now P. transouralicum), in rhinoceros-like and slender versions
Phylogenetic relationships of Paraceratherium with other rhinos, according to Tao Deng and colleagues, 2021
Estimated size of P. transouralicum (olive green) compared with that of humans, other large mammals, and the dinosaur Patagotitan
Life restoration of P. transouralicum
P. transouralicum skull, AMNH
Upper molars of P. transouralicum, Musée d'Histoire Naturelle, Paris
Hind foot of P. transouralicum, AMNH
Restoration of a P. transouralicum pair, with two Hyaenodon below
Foraging herd of P. transouralicum, by Elizabeth Rungius Fulda, 1923
Map showing localities of Paraceratherium species during the early (yellow) and late (red) Oligocene, according to Deng and colleagues, 2021

Bite marks on bones from the Bugti beds indicate that even adults may have been preyed on by 10 to 11 m-long crocodiles, Astorgosuchus.

Chitarwata Formation

Geological formation in western Pakistan, made up of Oligocene and early Miocene terrestrial fluvial facies.

Strata in Salta (Argentina).

Astorgosuchus bugtiensis

List of crurotarsan genera

Comprehensive listing of all genera that have ever been included in the clade Crurotarsi, excluding purely vernacular terms.

An American alligator.
An artist's re-creation of an Batrachotomus kupferzellensis
A yacare caiman (jacaré) from Brazil.
An artist's reconstruction of Dakosaurus andiniensis.
An artist's reconstruction of Elosuchus.
A Gavial from India.
An artist's reconstruction of Hesperosuchus.
An artist's reconstruction of Itasuchus.
An artist's reconstruction of Lotosaurus.
A black caiman (Melanosuchus).
An artist's reconstruction of Notosuchus terristris.
A dwarf crocodile (Osteolaemus) from west Africa.
An artist's reconstruction of Pelagosaurus typus.
An artist's reconstruction of Purussaurus.
An artist's reconstruction of Qianosuchus
An artist's reconstruction of Rutiodon.
An artist's Stagonolepis.
A false gharial (Tomistoma) from Thailand.
An artist's reconstruction of Uberabasuchus.
An artist's reconstruction of Venaticosuchus rusconii.
An artist's reconstruction of Zosuchus davidsoni.


Largest prehistoric animals

The largest prehistoric organisms include both vertebrate and invertebrate species.

The extinct Hippopotamus gorgops is the most massive of the fossil even-toed ungulates.
One of the largest land mammals of all time was Paraceratherium
Mounted Deinotherium skeleton
Anteosaurus overviewing the landscape
Megalania skeletal reconstruction on Melbourne Museum steps
Size comparison of selected giant sauropod dinosaurs
Size comparison of selected giant theropod dinosaurs
Haast's eagle, the largest bird of prey, attacking moa
Megalodon (brown) with the whale shark (blue), great white shark (yellow), and human (black) for scale
Size estimation of Omnidens.
Size comparison of the largest known eurypterids
Campanile giganteum shell
Parapuzosia seppenradensis shell

Some close contenders in size are Astorgosuchus bugtiensis estimated at around 9-11 m and 3.5-7.3 tonne, and Purussaurus brasiliensis estimated at 11 - 13 m , according to another information, maximum estimate measure 11.4 m and almost 7.8 tonne in length and in weight respectively. Another large crocodilian is Rhamphosuchus, estimated at 8 – in length.