Abstract
Almost complete skulls of most derived titanosaurs which provide complete teeth row are rare. Saraikimasoom vitakri is the smallest sized, the most derived titanosaurian sauropod based on very small sized 15 - 18 cm long and 7 - 9 cm high partial skull. Dorsal profile of skull inclined 40° anteriorly. It provides full teeth row with dental formula 4, 13/9-13. Saraikimasoom is the smallest titanosaur so far found from Indo-Pakistan subcontinent. Its height is about 2 meter, length 8 - 10 meter and weight about 5 tons. Saraikimasoom vitakri shows Gondwanan paleobiogeographic link with some endemic elements.
Highlights
Saraikimasoom is the smallest titanosaur so far found from Indo-Pakistan subcontinent
Out of 15 taxa, only four titanosaur taxa like Pakisaurus and Isisaurus of pakisaurids and Gspsaurus and Saraikimasoom of gspsaurids were recognized on diverse teeth, skulls, braincases, vertebral, appendicular skeletons collected from Indo-Pakistan especially from Pakistan
Saraikimasoom vitakri holotypic had very small skull (Figure 1) from South Kinwa 4 holotypic locality, and referred associated cranial, vertebral and appendicular elements from North Kinwa 4n, and some fossils from Mari Bohri 15, Top Kinwa 16, South Kinwa 4, mid Kinwa 4 m, South Zubra 7, mid Bor 2, Grut Gambrak 8 and Shalghara 3 localities found in latest Maastrichtian Vitakri Lameta Formation of Fort Munro Group, Barkhan District, Balochistan, central Pakistan
Summary
Out of 15 taxa, only four titanosaur taxa like Pakisaurus and Isisaurus of pakisaurids and Gspsaurus and Saraikimasoom of gspsaurids were recognized on diverse teeth, skulls, braincases, vertebral (especially caudal vertebrae), appendicular (especially tibiae, femora, humerei and scapulae) skeletons collected from Indo-Pakistan especially from Pakistan. Saraikimasoom vitakri as a new genus and new species was reported by [1] and formally published by [2]. This is being described here which can be used for phylogeny
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