Complex dental wear analysis reveals dietary shift in Triassic placodonts (Sauropsida, Sauropterygia)

Swiss Journal of Palaeontology

Table 1 Area parameters of the cranium and the palatal enlarged tooth in placodonts

Species	Inventory number	Area of the cranium (mm²)	Area of the enlarged palatal tooth (mm²)
Cyamodus rostratus	UMO BT 748	9 450	420.9
Cyamodus kuhnschnyderi	SMN 15855	27 742	1 455.3
	SMN 16270	36 120	2 086.8
Placodus gigas	UMO BT uncatalogued	11 638	541.9
	UMO BT 13	18 358	577.2
Psephoderma alpinum	PIMUZ A/III 1491	8 577	434.3
	MSNM V471	5 823	277.4
Henodus chelyops	GPIT RE 7290 (II)	12 643	73
Placochelys placodonta	SZTFH Ob.2323, Vt.3	9 255	429.2
Macroplacus raeticus	BSP 1967 I 324	26 643	3 927.3

UMO = Urwelt–Museum Oberfranken, Bayreuth, Germany; SMN = Staatliches Museum für Naturkunde, Stuttgart, Germany; PIMUZ = Palaeontological Institute and Museum, University of Zurich, Switzerland; MSNM = Museo Civico di Storia Naturale di Milano, Italy; BSP = Bayerische Staatssammlung für Paläontologie und Historische Geologie München, Germany; SZTFH = the Department of Collections of the Supervisory Authority for Regulatory Affairs, formerly the Collection of the Hungarian Geological Institute, Budapest, Hungary; GPIT = Geologisch–Paläontologisches Institut, Universität Tübingen, Germany