Gajabrishta
Gaja in Sanskrit means Elephant. 'Brishta' is the back portion of a sitting elephant. The later Cholas of the Chola empire in Indian subcontinent, especially the ones in the Thondai Mandalam around the North Tamil Nadu area constructed temples which had this vimanas.
The Sanctum Sanctorium of these temples, especially Shiva temples had this style of Vimanas.
References
Gajabrishta Wikipedia(Text) CC BY-SA