, ▁ 1 8 1 5 ) ▁ ▁A po lem ia ▁vit ia zi ▁( Ste pan j ants , ▁ 1 9 6 7 ) ▁ ▁Form er ▁gener a ▁These ▁two ▁gener a ▁are ▁now ▁considered ▁syn onymous ▁with ▁A po lem ia . ▁▁ ▁Ram os ia ▁Ste pan j ants , ▁ 1 9 6 7 ▁Tot ton ia ▁Marg ul is , ▁ 1 9 7 6 ▁ ▁Notable ▁In ▁ 2 0 2 0 ▁research ers ▁working ▁of ▁the ▁coast ▁of ▁Western ▁Australia ▁came ▁across ▁an ▁A po lem ia ▁which ▁had ▁co iled ▁itself ▁into ▁a ▁spir al ▁form . ▁The ▁outer ▁" ring " ▁was ▁estimated ▁to ▁be ▁ 4 7 ▁meters ▁( 1 5 4 ▁feet ). ▁long . ▁It ▁was ▁said ▁to ▁be ▁longer ▁than ▁any ▁other ▁animal ▁on ▁the ▁planet , ▁if ▁one ▁includes ▁colonial ▁animals , ▁but ▁individuals ▁of ▁the ▁l ion ' s ▁man e ▁jel ly fish ▁( Cy ane a ▁cap ill ata ) ▁are ▁known ▁to ▁be ▁larger ; ▁the ▁largest ▁known ▁spec imen ▁of ▁which ▁had ▁tent acles ▁as ▁long ▁as ▁ ▁and ▁were ▁project ed ▁to ▁have ▁a ▁tent ac ular ▁spread ▁of ▁about ▁ ▁making ▁it ▁one ▁of ▁the ▁longest ▁ext ant ▁non - colon ial ▁animals .. ▁ ▁References ▁ ▁Category : Si phon op hor ae ▁Category : H ydro zo an ▁gener a ▁Category : Bi ol um ines cent ▁c n id ari ans <0x0A> </s> ▁Daw son ▁Township