Assertion: box turtle | /r/HasAspect | flattened bottom shell
Facets:
value: with a transverse hinge
type: OTHER
Source sentences:
text: Box turtles have a high, rounded upper shell (carapace), a flattened bottom shell (plastron) with a transverse hinge, and ligamentous connections (instead of the bony bridge typical of most turtles) between plastron and carapace.