Vinayakia
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History and naming
The genus Vinayakia was erected by British paleontologist Guy Ellcock Pilgrim in 1932 for two equally new species: Vinayakia nocturna, the type species, and Vinayakia sarcophaga. V. nocturna was described based a right mandibular ramus (GSI-D 221) collected from the Nagri Formation two miles northeast of Kadirpur in the Attock District of the Salt Range. An additional fossil, a partial right maxilla (GSI-D 218) collected near Bahitta in the Jhelum District of the Salt Range, was also described and referred to the species. V. sarcophaga was based on an associated left and right maxillae (GSI-D 217) collected by Vinayak Rao from the Chinji Formation south of Kotal Kund in the Jelum District. The genus name Vinayakia honored of Rao Bahadur M. Vinayak Bao, a colleague of Pilgrim, in appreciation of his work with Siwalik fossils; no etymologies were given for the species names.
A third species, Vinayakia intermedia, was described in 1963 based on fossils from the Nagri Formation in the Haritalyangar area.
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Description
Pilgrim described V. nocturna as an extremely large cat, midway between a tiger and a leopard in size, and V. sarcophaga as similar in size to V. nocturna.
Classification
Pilgrim theorized that Vinayakia represented an aberrant line descended from Proailurus, with V. sarcophaga ancestral to V. nocturna. He further considered Mellivorodon palaeindicus a direct, degenerate descendant of Vinayakia, and associated with Vinayakia another specimen GSI-D 220, a fragmentary upper first molar that he described in the same paper as an indeterminate felid, due to it being similar in shape to equivalent teeth in Proailurus but agreeing in size with V. nocturna. He classified Vinayakia as part of the felid subfamily Proailurinae.
Edwin Colbert, in 1935, followed Pilgrim's classification of Vinayakia as a proailurine, but considered the genus "of little value" due to the fragmentary nature of the fossils.