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  • skin flaps near eye, on body
    D 16-30
    side body ridge straight, ends over anus
    lower body & tail ridges joined
    longitudinal ridge on operculum
    brood pouch under tail
    A: 2-4
    C: small
  • D 21-33
    side body ridge straight, ends ~ over anus
    lower body & tail ridges joined
    operculum with longitudinal ridge
    brood pouch under tail
    no A
    C small
  • snout long
    D 16-30
    side body ridge joins lower tail ridge
    lower body ridge ends at A
    operculum with ridge
    brood pouch under trunk
    A: 4
    C: large
  • snout very long, slender
    D 25-74
    side body ridge joins lower tail ridge
    lower body ridge ends at A
    operculum ridges: 1 longitudinal, several oblique
    brood pouch under trunk
    A: tiny, 4
    C: small, 9
  • long snout
    D 26-48
    side body ridge straight, ends over anus
    lower body & tail ridges joined
    operculum - no longitudinal ridge
    brood pouch under tail
    A: 2-4
    large C