octopoidaladj.

1901 Sydney Stock & Station Jrnl. 29 Oct. 3/2 In the deep, dark chasms of that dark side of the moon they found a horrible, creepy, uncanny, octopoidal kind of life, that makes you shudder.

1961 A. B. Chandler Rim of Space 139 It looked, with its sprawling roots, like some huge, octopoidal monster at the end of a giant's fishing line.

1984 N.Y. Times (Nexis) 16 Mar. 21 Standouts among the smaller works..include ‘Greedman’ an octopoidal tree torso in sullen burned black, which hangs from the ceiling.

1998 N.Y. Mag. 20 July 113/1 A volcanic archipelago whose underwater coral reef is full of creatures so extraordinary—shovel-mouthed manta rays, octopoidal cuttlefish, saltwater crocodiles.