Ankistrodon

Extinct genus of reptiles

Ankistrodon is an extinct genus of archosauriform known from the Early Triassic Panchet Formation of India. First thought to be a theropod dinosaur, it was later determined to be a proterosuchid. The type species is A. indicus, described by prolific British zoologist Thomas Henry Huxley in 1865. One authority in the 1970s classified Ankistrodon as a senior synonym of Proterosuchus. Ezcurra (2023) found Ankistrodon to be a nomen dubium, as the teeth are indistinguishable from those of Proterosuchus. A second Indian proterosuchid from the same formation, Samsarasuchus, was also described in the same study, making it the only known valid proterosuchid from India.

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