Assertion: spiny dogfish's fin | /r/CapableOf | form heterocercal tail
Facets:
Source sentences:
text: The caudal fin has asymmetrical lobes, forming a heterocercal tail.
text: The caudal fin has asymmetrical lobes, forming a heterocercal tail.
text: The caudal fin has asymmetrical lobes, forming a heterocercal tail.