Table 5. Comparison of the length/with ratio of the xiphiplastron in selected specimens referred to P. etalloni, C. picteti, and C. jaccardi.

	Xiphiplastron length (mm)	Xiphiplastron width (mm)	Ratio
Plesiochelys etalloni
NMS 59	89	66	1.35
NMS 78	84a	66	1.27
NMS 79	81	59	1.37
NMS 116	–	–	–
NMS 669	79	68	1.16
NMS 675	84	66b	1.27
MAJ 2005-11-1	90c	68c	1.32
Craspedochelys jaccardi
NMS 101	62d	70	0.89
NMS 102a	–	–	–
NMS 612	–	–	–
NMS 673	66	64	1.03
MHNN FOS 977	55	55	1.00
Craspedochelys picteti
NMS 608	–	–	–

Notes.

^aLength incomplete.

^bWidth incomplete.

^cFrom 3D surface mesh (see Anquetin, Deschamps & Claude, 2014).

^dLength missing about 10 mm.