Dinosaurs from the Early Cretaceous Murtoi Formation in Buryatia, eastern Russia

Averianov, Alexander O.; Starkov, Alexei; Skutschas, Pavel P.

doi:10.1671/a1006

Cited by 25 publications

(6 citation statements)

References 35 publications

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“…In the Lower Cretaceous (Barremian‐Aptian) Murtoi Formation at Mogoito locality in Buryatia, Transbaikalia, there are broad‐crowned sauropod teeth and procoelous caudal vertebrae of the lithostrotian titanosaur Tengrisaurus (51° latitude; Fig. ) (Averianov et al ; Averianov & Skutschas ). A single pencil‐like tooth with apical wear facet of Titanosauria indet.…”

Section: Methodsmentioning

confidence: 99%

The northernmost sauropod record in the Northern Hemisphere

Averianov

Skutschas

Schellhorn

et al. 2020

LET

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Isolated sauropod teeth from the Early Cretaceous Teete locality in Yakutia (Eastern Siberia, Russia) are the only evidence that sauropods lived in high latitudes (palaeolatitude estimate of N 62°) in the Northern Hemisphere. The spatulate broad tooth crowns of adult individuals lack marginal denticles while these are present in a juvenile tooth. The teeth have overlapping facets and likely belong to a basal macronarian. The juvenile tooth indicates that sauropods reproduced in high latitudes and possibly stayed there around the year. The Teete vertebrate assemblage comprises both endothermic, or presumably endothermic tetrapods (theropod dinosaurs, tritylodontids and mammals), and ectothermic tetrapods (salamanders, turtles, choristoderes and lizards), but no crocodyliforms. This suggests a temperate climate, with an annual mean temperature well above freezing level but below 14°C.

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Section: Methodsmentioning

confidence: 99%

The northernmost sauropod record in the Northern Hemisphere

Averianov

Skutschas

Schellhorn

et al. 2020

LET

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“…Isolated dromaeosaurid teeth have been reported in other Early Cretaceous formations, viz. the Okurodani (or Okura) (Evans et al, 1998) and Kitadani (Azuma and Tomida, 1995) formations of the Tetori Group of central Japan, the Lower Xinmingbao Group of Mazongshan area, Gansu Province (Dong, 1997), the Murtoi Formation at the Mogoito locality in Buryatia, western Transbaikalia, Russia (Averianov et al, 2003) and the Ilek Formation in Western Siberia (Averianov et al, 2003). Dromaeosaurids were thus quite abundant and diverse in Asia during the Early Cretaceous.…”

Section: Discussionmentioning

confidence: 99%

Isolated dinosaur teeth from the Lower Cretaceous Shahai and Fuxin formations of northeastern China

Amiot

Kusuhashi

et al. 2010

Journal of Asian Earth Sciences

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“…Moreover, basal titanosaurs with amphyplatian/platycoelous middle and posterior caudals come from ?Aptian (Jacobs et al, 1993;Gomani, 2005) to early Cenomanian (Leanza et al, 2004) units (although rare forms are reported from the late Turonian/early Coniacian; Salgado and Calvo, 1993;Leanza et al, 2004), while taxa with slightly procoelous caudals come from TuronianeConiacian strata (González Riga, 2003). In other regions of the world, strongly procoelous caudals are only rarely found in units predating the Late Cretaceous (Averianov et al, 2003).…”

Section: Osteodermsmentioning

confidence: 99%