Full reference: E. Hitchcock. 1848. An attempt to discriminate and describe the animals that made the fossil footmarks of the United States, and especially of New England. Memoirs of the American Academy of Arts and Sciences, new series 3:129-256
Parent taxon: Testudinata according to R. S. Lull 1904
See also Hitchcock 1848, Kuhn 1958 and Lull 1917
Sister taxa: Amblypus, Ancyropus, Aplax oberndorferi, Athecae, Australochelyidae, Australochelys, Chelonipedidae, Chelycarapookus, Chelycarapookus arcuatus, Chelys blakii, Chengyuchelyidae, Chengyuchelys, Chinlechelys, Emydhipus, Emys neumayri, Emys paranensis, Heckerochelyidae, Helochelydridae, Kallokibotion, Megasternon, Mesochelydia, Mongolochelyidae, Odontochelyidae, Palaeochersis, Paracryptodira, Perichelydia, Platemys sehuensis, Platycheloides, Proganochelys, Proterochersidae, Protochelys, Saltosauropus, Siamochelys, Testudines, Testudinites, Testudo elata, Testudo stricklandi, Testudofiexoolithidae, Testudoolithidae, Thalassochelydia, Thecophora, Tretosternon punctatum, Trionyx mammillaris
Subtaxa: Helcura anguinea Helcura caudata Helcura littoralis Helcura surgens
Type: Helcura littoralis
Ecology:
Distribution:
• Jurassic of United States (4: Massachusetts collections)
Total: 4 collections including 8 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.