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Table 1  Measurements of the selected specimens (each with a field number) from Yunyang in this study (in mm)

From: New freshwater plesiosaurian materials from the Middle Jurassic Xintiangou Formation of the Sichuan Basin, southwestern China

Items

Field number

Length

Width

Height

Locality

Tooth crowns

18YP4930-1

55

15 (base)

–

Site 2

18YP6138-1

25

10 (base)

–

Site 2

18YP1302-1

36

13 (base)

–

Site 3B

18YP0810-8

more than 25

12 (base)

–

Site 4

Cervicals

18YP1305-1

36

66

57

Site 2

18YP0808-8

40

70

68

Site 4

18YP2014-3

25

40

32

Site 4

Dorsals

18YP0808-7

29

55

47

Site 4

Caudals

17YP1609-7

38

60

64

Site 1

18YP2306-1

27

38

40

Site 3B

18YP4125-1

20

32

33

Site 2

Ribs

18YP3026-1

–

13 (shaft)

–

Site 4

18YP4034-1

–

11 (shaft)

–

Site 4