Family
Valid Extinct

Cyamodontidae

(Nopcsa 1923)

Cyamodontidae is an extinct family of superficially turtle-like placodonts belonging to the superfamily Cyamodontoidea. Fossils have been found in Germany and Italy. It is named after Cyamodus, the namesake of the family.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
20
Group
Sauroptérygiens
Marine
Cyamodontidae
click to enlarge
fossil placodont © Ghedoghedo · CC BY-SA 3.0 · Wikimedia
PBDB Wikipedia
Classification
Sauropterygia Suborder
Placodontia Order
Cyamodontidae Family
Fossil sites 20 geolocated sites
Distribution
Top countries
🇩🇪 Germany
10
🇫🇷 France
2
🇨🇳 China
2
🇪🇸 Spain
1
🇨🇭 Switzerland
1
🇮🇹 Italy
1
🇵🇱 Poland
1
🇸🇮 Slovenia
1
🇭🇺 Hungary
1
Geological formations
Besano
2
Meissner
2
Xiaowa
2
Templomhegy Dolomite
1
Temporal distribution
Carnian (237–227.3 Ma)
3
Ladinian (241.464–237 Ma)
10
Anisian (247–241.464 Ma)
7
Images 1
Bibliography
Original description
R. L. Carroll. 1988. Vertebrate Paleontology and Evolution.
Bibliography (13)
W. Wang, C. Li, and T. M. Scheyer, L. J. Zhao. 2019. A new species of Cyamodus (Placodontia, Sauropterygia) from the early Late Triassic of south-west China. Journal of Systematic Palaeontology 17(17):1457-1476 DOI ↗
A. Ősi, G. Botfalvai, and E. Prondvai, Z. Hajdu, G. Czirják, Z. Szentesi, E. Pozsgai, A. E. Götz, L. Makádi, D. Csengődi, K. Sebe. 2013. First report of Triassic vertebrate assemblages from the Villány Hills (southern Hungary). Central European Geology 56:297-335 DOI ↗
C. G. Diedrich. 2011. The shallow marine placodont Cyamodus of the central European Germanic Basin: its evolution, paleobiogeography and paleoecology. Historical Biology 23(4):391-409 DOI ↗
T. M. Scheyer. 2010. New interpretation of the postcranial skeleton and overall body shape of the placodont Cyamodus hildegardis Peyer, 1931 (Reptilia, Sauropterygia). Palaeontologica Electronica 13(2):15A
E. Buffetaut and M. Novak. 2008. A cyamodontid placodont (Reptilia: Sauropterygia) from the Triassic of Slovenia. Palaeontology 51(6):1301-1306 DOI ↗
X. Wang, G. H. Bachmann, and H. Hagdorn, P. M. Sanders, G. Cuny, X. Chen, C. Wang, L. Chen, L. Cheng, F. Meng, G. Xu. 2008. The Late Triassic black shales of the Guanling area, Guizhou province, south-west China: a unique marine reptile and pelagic crinoid fossil lagerstätte. Palaeontology 51(1):27-61
O. Rieppel. 2001. The cranial anatomy of Placochelys placodonta Jaekel, 1902, and a review of the Cyamodontoidea (Reptilia, Placodonta). Fieldiana: Geology, new series 45:1-104 DOI ↗
O. Rieppel and H. Hagdorn. 1999. A skull of Cyamodus kuhnschnyderi Nosotti & Pinna 1993, from the Muschelkalk of Wassonne (Alsace, France). Palaeontologische Zeitschrift 73(3/4):377-383 DOI ↗
O. Rieppel. 1995. The genus Placodus: systematics, morphology, paleobiogeography, and paleobiology. Fieldiana: Geology, new series 31:1-44 DOI ↗
A. F. d. Lapparent. 1966. Nouveaux gisements de reptiles Mesozoiques en Espagne [New localities of Mesozoic reptiles in Spain]. Notas y Comunicaciones del Instituto Geologico y Minero de España 84:103-110
E. Kuhn-Schnyder. 1959. Über das Gebiss von Cyamodus. Vierteljahresschrift der Naturforschenden Gesellschaft in Zürich 104:174-188
G. Gürich. 1884. Ueber einige Saurier des obershlesischen Muschelkalkes [On some saurians from the Upper Silesian Muschelkalk]. Zeitschrift der Deutschen Geologischen Gesellschaft 36:125-144
R. Owen. 1859. Description of the skull and teeth of the Placodus laticeps, Ow, with indications of other new species of Placodus, and evidence of the saurian nature of that extinct genus. Proceedings of the Royal Society of London 9:157-159