Published December 4, 2025
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Taxonomic treatment
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Psephosaurus suevicus E. Fraas 1896
Authors/Creators
- 1. Department of Paleobiology, National Museum of Natural History, MRC 121, Smithsonian Institution, Washington, DC 20560, USA
- 2. Staatliches Museum für Naturkunde Stuttgart, Rosenstein 1, 70191 Stuttgart, Germany & Institut für Biologie, Universität Hohenheim, Garbenstrasse 30, 70599 Stuttgart, Germany
Description
Psephosaurus suevicus E. Fraas, 1896
Holotype.
SMNS 6693, several pieces of a poorly preserved partial carapace.
Type locality.
Kugelberg, Ludwigsburg-Hoheneck, Stuttgart district, Baden-Württemberg.
Type horizon.
Hoheneck-Kalk, Erfurt Formation, Lower Keuper Subgroup. Age: Middle Triassic (Ladinian: Longobardian).
Referred material.
See Rieppel (2002 a).
Diagnosis.
Distinguished by the following combination of features: carapace comprising large, irregular, and polygonal or rounded osteoderms that are separated by smaller, mostly pentagonal or hexagonal osteoderms (Rieppel 2002 a).
References.
E. Fraas (1896), F. Huene (1936), Rieppel (2000, 2002 a).
Notes
Published as part of Sues, Hans-Dieter & Schoch, Rainer R., 2025, Synopsis of the Triassic reptiles from Germany, pp. 411-483 in Fossil Record 28 (2) on pages 411-483, DOI: 10.3897/fr.28.164405
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Linked records
Additional details
Identifiers
Biodiversity
- Collection code
- SMNS
- Material sample ID
- SMNS 6693
- Scientific name authorship
- E. Fraas
- Kingdom
- Animalia
- Phylum
- Chordata
- Order
- Placodontia
- Family
- Placochelyidae
- Genus
- Psephosaurus
- Species
- suevicus
- Taxon rank
- species
- Type status
- holotype
- Taxonomic concept label
- Psephosaurus suevicus Fraas, 1896 sec. Sues & Schoch, 2025
References
- Fraas E (1896) Die schwa ¨ bischen Trias-Saurier, nach dem Material der Kgl. Naturalien-Sammlung in Stuttgart zusammengestellt. E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, 1 - 18.
- Rieppel O (2002 a) The dermal armor of the cyamodontoid placodonts (Reptilia, Sauropterygia): morphology and systematic value. Fieldiana (Geology), n. s. 46: 1–41. https://doi.org/10.5962/bhl.title.3275
- Fraas E (1896) Die schwa ̈ bischen Trias-Saurier, nach dem Material der Kgl. Naturalien-Sammlung in Stuttgart zusammengestellt. E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, 1–18.
- Huene F von (1936) Henodus chelyops, ein neuer Placodontier. Palaeontographica A 84: 99–148.
- Rieppel O (2000) Sauropterygia I. Placodontia, Pachypleurosauria, Nothosauroidea, Pistosauroidea. Handbuch der Paläoherpetologie Part 12 A. Verlag Dr. Friedrich Pfeil, Munich, 1–134.