Assertion: rattlesnake's scale | /r/HasProperty | anterior canthals
Facets:
Source sentences:
text: In the internasal-prefrontal area there are 4–22 scales that include 2 large, triangular internasal scales that border the rostral, followed by 2 large, quadrangular prefrontal scales (anterior canthals) that may contact each other along the midline, or may be separated by many small scales.