bilaterally symmetric vs bilaterally symmetrical

bilaterally symmetric and bilaterally symmetrical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bilaterally symmetric	No	Yes	No	No
bilaterally symmetrical	No	Yes	No	No

As adjectives, bilaterally symmetric and bilaterally symmetrical are synonyms defined as:

bilaterally symmetric and bilaterally symmetrical: having identical parts on each side of an axis

Other synonyms of bilaterally symmetric include bilateral, isobilateral.

bilaterally symmetric (adjective)	bilaterally symmetrical (adjective)
having identical parts on each side of an axis	capable of division into symmetrical halves by only one longitudinal plane passing through the axis
	having identical parts on each side of an axis