Suborder Leptolaimina Lorenzen 1981

M. proboscidis M. annulata M. pectenophora Brazil 1 Denmark 2 Germany 2 France 3, Ƥ Denmark 2 Germany 2 Australia 4, Ƥ Ƥ 3 3 1 3 2 min max 3 min max

Body length (L) 353.0 280.0 406.9 401.9 388.7 334.0 405.0 398 363.1 468.0 508.0

Maximum body diameter 25.0 25.0 27.5 22.8 19.5 23.0 31.7 24.8 21.8 11.0 20.0

Body diameter at bulb 28.0 25.0 28.5 26.0 23.4 23.0 31.0 28 24.2 13.0 18.0

Head diameter (hd) 5.0 6.0 4.1 3.9 3.9 2.0 3.0 3.2 4.2 4.3

Buccal cavity, total length n/f n/f n/f n/v 6.5 n /f n/f n/v 30.0 36.0

Buccal cavity, cuticularised length n/f n/f n/f n/v 3.9 n /f n/f n/v n/f

Buccal cavity diameter n/f n/f n/f n/v 0.7 n /f n/f n/v 9.0 12.0

Cephalic seta length (r3) 5.5 6.0 6.7 7.5 6.5 5.5 5.9 8 7.9 10.0 18.0

Amphid diameter n/f 2.1 1.5 n /v 2.0 2.3 3.0 1.6 n /v 3.0 3.7

Amphid cbd n/f 7.8 8.0 n /v 6.5 7.1 - 7.2 n/v 5.0 6.5

Distance to amphid n/f 10.8 18.0 n /v 17.6 11.7 13.0 18 n/v 9.0 12.0

Oesophagus length 62.0 50.0 78.0 61.1 57.9 56.0 72.0 70.4 62.4 77.0 88.0

Oesophageal bulb length n/f 32.4 43.0 37.1 35.1 41.8 43.2 38.2 50.1 57.2

Length of anterior bulb n/f 14.4 25.0 20.2 20.2 25.9 18.4 21.8 26.3 31.0

Length of posterior bulb n/f 18.0 18.0 16.9 15.0 15.9 24.8 16.4 23.0 28.0

Width of anterior bulb n/f 11.4 9.0 9.4 10.1 9.3 7.2 8.5 8.7

Width of posterior bulb n/f 15.6 12.8 11.1 10.4 11.7 13.2 10.8 9.8

Tail length (from anus/cloaca) 58.0 50.0 79.9 80.0 79.3 60.0 72.0 74.4 69.1 67.0 84.0

Anal body diameter (abd) 20.0 15.0 17.3 15.0 15.6 14.2 15.0 16.8 13.9 8.0 11.0

abd + anal / cloacal tube - n/f - - - 17.0 23.0 n /f 15.5 14.1

Distance to anterior pore n/f n/f n/f n/v n/v n/f n/f n/v n/f – not figured; n/v – not visible; '-' – not applicable

Gerlach, 1957; 2 Riemann et al., 1971; 3 Vitiello and De Coninck, 1968; 4 Stewart and Nicholas, 1995.