Achelonia

Extinct genus of turtles

Achelonia
Temporal range: Late Jurassic Kimmeridgian
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NKMB Watt15/1, Achelonia formosa, late Kimmeridgian of Wattendorf, Germany.
NKMB Watt15/1, Achelonia formosa, late Kimmeridgian of Wattendorf, Germany.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Pantestudines
Clade: Testudinata
Clade: Thalassochelydia
Family: Eurysternidae
Genus: Achelonia
Meyer, 1860
Species
  • A. formosa Meyer, 1860
Synonyms
  • Enaliochelys chelonia Seeley, 1869

Achelonia is an extinct genus of marine thalassochelydian turtle. Its type species is Achelonia formosa.[1] Fossils are known from the Upper Jurassic (late Kimmeridgian) of Wattendorf, Germany, within Cerin, France, and also in England. Material from England was originally considered to belong to the separate genus Enaliochelys and species Enaliochelys chelonia, named by Harry Govier Seeley in 1869 for a partial disarticulated skeleton from the early Kimmeridgian of the Kimmeridge Clay in Cambridgeshire. The synonymy was recognised in 2020.[2]

References

  1. ^ Anquetin, Puntener, and Joyce, 2017. A review of the fossil record of turtles of the clade Thalassochelydia. Bulletin of the Peabody Museum of Natural History 58 (2):317-369.
  2. ^ Joyce, Walter G.; Mäuser, Matthias (2020-06-03). "New material of named fossil turtles from the Late Jurassic (late Kimmeridgian) of Wattendorf, Germany". PLOS ONE. 15 (6): e0233483. Bibcode:2020PLoSO..1533483J. doi:10.1371/journal.pone.0233483. ISSN 1932-6203. PMC 7269257. PMID 32492031.
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Sauropsida
    • see Sauropsida
Pantestudines
    • see below↓
Australochelyidae
Meiolaniformes
Meiolaniidae
Sichuanchelyidae
  • Laurasichersis
  • Mongolochelys
  • Sichuanchelys
Helochelydridae
Compsemydidae
Paracryptodira
Pleurosternidae
Baenidae
Xinjiangchelyidae
Sinemydidae /
Macrobaenidae
Thalassochelydia
(sensu Joyce et al., 2021)
"Eurysternidae"
"Plesiochelyidae"
Sandownidae
Testudines
    • see Testudines
Pappochelys rosinae Meiolania brevicollis


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