A
500~m
l00 ~ m
1------11 c. D. E
1 00~m
f - - - - - l l G
Metridia lucens
53
A. B. F
F
G
Fig.3.S.1A-G. Metridia lucens. Female: A whole animal dorsal view; B whole animal lateral view; C, D, E P5
showing variations in number of joints and spines on outer margins. Male: F whole animal dorsal view; G P5