it shows remarkable differences from other known species of thynnascaris in respect of body size , length of the oesophageal appendix and intestinal caecum , location of nerve ring and excretory pore , on the papillae on the lips arrangement , type of the striations on the cuticle , vulva position , arrangement of caudal papillae and size of the spicules .
C0003617
appendix
C0007531
caecum