Learn how to say Planarian correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word planarian:
a free-living flatworm which has a three-branched intestine and a tubular pharynx, typically located halfway down the body.
Order Tricladida, class Turbellaria: Planaria and other genera
mid 19th century: from modern Latin Planaria (feminine of Latin planarius ‘lying flat’) + -ian