pharyngeal arch cartilage gongyloid cartilage Pharyngeal arch cartilage present on the dorsal surface of the middle portion of the upper branchial arches, dorsal to the point of contact between the second and third infrapharyngobranchials. It is round or cylyndrical in shape. Not homologous to the mediopharyngobranchial. Recorded in Pristigasteridae and Engraulidae, of Clupeiformes, apparently also present in Chanos, of Gonorynchiformes (Di Dario, 2002). TAO:0001696 teleost_anatomy