Table 1.
Taxa, accession numbers, localities, and relevant morphological data of specimens used in the current study
| Taxon | Taxonomy | Accession No. | Locality | Morphology |
|---|---|---|---|---|
| Placodontia | ||||
| Placodus gigas Agassiz, 1834 | Placodontoidea | SMNS 91006 | Bühlingen near Rottweil, Germany (?Trochitenkalk Formation, Ladinian, Middle Triassic, ‘Upper Muschelkalk; Lower Hauptmuschelkalk`, ?m7) | Isolated plate from the anterior part of the dorsal vertebral column; round shape, slightly triangular in cross-section, maximum height: ~23 mm |
| Psephoderma sp. | Cyamodontoidea | NRM-PZ R.1759a | Wadi Raman (Makhtesh Ramon), Negev, Israel (Muschelkalk; Middle Triassic) | Row of five fused plates, polygonal (?hexagonal) shapes in dorsoventral view, maximum height: 10 mm |
| Psephosaurus suevicus Fraas, 1896 | Cyamodontoidea | MHI 1426/1-3 | Quarry ‘Hohenloher Steinwerk’, Kirchberg/Jagst (Erfurt Formation, Ladinian, Middle Triassic, k1, ‘Anthrakonit-Bank, Basisbonebed’) | Three isolated plates; one resembling a procumbent spike (MHI 1426/1) with apex and opposite semicircular margin and two with hexagonal/polygonal shapes (MHI 1426/2 & 3) |
| SMNS 91007 | Hoheneck near Ludwigsburg, Germany (Erfurt Formation, Ladinian, Middle Triassic, k1) | Isolated plate; round in externo-internal view with small blunt central spike, maximum height: 11 mm | ||
| Psephosaurus sp. | Cyamodontoidea | SMNS 91008 | Hoheneck near Ludwigsburg, Germany (Erfurt Formation, Ladinian, Middle Triassic, k1) | Isolated flat plate, roughly hexagonal shape, concave internal surface, maximum height: 6 mm |
| Psephosaurus sp. | Cyamodontoidea | SMNS 91009 | Hoheneck near Ludwigsburg, Germany (Erfurt Formation, Ladinian, Middle Triassic, k1) | Isolated plate, rhomboidal shape in externo-internal view; convex external surface with slightly raised off-lefted ridge, maximum. height: 14 mm |
| cf. Placochelys sp. | Cyamodontoidea | SMNS 91010 | Willsbach near Heilbronn, Germany (Grabfeld Formation, Lower Carnian, Upper Triassic, ‘Estherienschichten, Anatinabank’ k2) | Isolated spiked, procumbent plate, triangular shape in externo-internal view, maximum height: 12 mm; maximum length: 27 mm |
| Nothosauria | ||||
| Neusticosaurus pusillus (Fraas, 1881) | Pachypleurosauridae | PIMUZ T4022 | ?Meride Limestone (Middle Triassic), Monte San Giorgio, Southern Switzerland | Sagittal section of proximal epiphysis of long bone |
| Fossil Amphibia | ||||
| Mastodonsaurus giganteus(Jaeger, 1828) | Temnospondyli | SMNS 91011 | Kupferzell, southern Germany (Erfurt-Formation, Ladinian, Upper Triassic, ‘Lettenkeuper’) | Thick bone fragment of cranium (one sutured margin); strong external sculpturing pattern with ridges |
| Gerrothorax pustuloglomeratus(v. Huene, 1922) | Temnospondyli | SMNS 91012 | Kupferzell, southern Germany (Erfurt-Formation, Ladinian, Upper Triassic, ‘Lettenkeuper’) | Bone fragment of cranium or shoulder girdle?; external surface with sculpturing pattern of low ridges and tubercles |
| Trimerorachis sp. | Temnospondyli | TMM 40031-59 | Tit Mountain locality, Archer County, Texas, USA (Petrolia Formation, Lower Permian) | Bone fragment of cranium or shoulder girdle?; external surface with sculpturing pattern of reticular ridges in the left and radially arranged low ridges towards the margins |
| Trimerorachis sp. | Temnospondyli | TMM 40031-60 | Tit Mountain locality, Archer County, Texas, USA (Petrolia Formation, Lower Permian) | Bone fragment of cranium or shoulder girdle?; external surface with sculpturing pattern of reticular ridges in the left and radially arranged low ridges towards the margins |