This animal had to be large: in an incomplete specimen, the skull was only about 40 centimeters long (the largest of all turtles) and the length must exceed 2.5 meters (Zittel et al., 1932). The carapace was broad and relatively flat, and it is assumed that this animal was of aquatic habits. The prefrontal formed largely of the cranial vault in a manner similar to the archaic turtles such as Kayentachelys from the Early Jurassic. The surfaces triturate were very narrow, as in Glyptops . The mandible was very deep (still similar to Kayentachelys ); unlike any other known turtle, Kallokibotion had bone with extension medial pterygoids very close to the center. The palatine bone was equipped with parasagittal grooves on the ventral surface. The vertebrae were anficele cervical (from quarries
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| - This animal had to be large: in an incomplete specimen, the skull was only about 40 centimeters long (the largest of all turtles) and the length must exceed 2.5 meters (Zittel et al., 1932). The carapace was broad and relatively flat, and it is assumed that this animal was of aquatic habits. The prefrontal formed largely of the cranial vault in a manner similar to the archaic turtles such as Kayentachelys from the Early Jurassic. The surfaces triturate were very narrow, as in Glyptops . The mandible was very deep (still similar to Kayentachelys ); unlike any other known turtle, Kallokibotion had bone with extension medial pterygoids very close to the center. The palatine bone was equipped with parasagittal grooves on the ventral surface. The vertebrae were anficele cervical (from quarries
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abstract
| - This animal had to be large: in an incomplete specimen, the skull was only about 40 centimeters long (the largest of all turtles) and the length must exceed 2.5 meters (Zittel et al., 1932). The carapace was broad and relatively flat, and it is assumed that this animal was of aquatic habits. The prefrontal formed largely of the cranial vault in a manner similar to the archaic turtles such as Kayentachelys from the Early Jurassic. The surfaces triturate were very narrow, as in Glyptops . The mandible was very deep (still similar to Kayentachelys ); unlike any other known turtle, Kallokibotion had bone with extension medial pterygoids very close to the center. The palatine bone was equipped with parasagittal grooves on the ventral surface. The vertebrae were anficele cervical (from quarries articular surfaces both front and rear), with high postzigapofisi, shopping centers and a narrow spinal ventral hull low; the caudal vertebrae were also anficele with zigapofisi concave front (unlike those of other turtles). There were no major mesoplastra triangular, separating hyoplastron and hypoplastron for most of their amplitude.
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