Assertion: eurypterid's carapace | /r/HasProperty | trapezoidal
Facets:
value: in outline
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: The carapace occupies one sixth or less of the total length of the body, is typically trapezoidal in outline, length to width as 3 : 4 or more frequently as 4 : 5; its lateral margins nearly straight, slightly converging forward, forming an obtuse, slightly rounded angle, with the nearly straight frontal margin.