By albert , 25 December 2025 specimen SD20220123-1-023-05 Length 1531 Head diameter 21 Maximum body diameter 50 Anal body diameter 36 Oesophagus length 226 Tail length 127 index a 31.20 index b 6.90 index c 12.30 index c' 3.50 notes Base buccal cavity 22mu, amphid diameter 6mu (0,22 cbd) positioned 21 mu from anterior, cephalic setae 7mu; spicula 38mu