22 – Worms
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Figures 22.4 A, Hirudinae, Trachelobdella sp. (photo: R. Steene); B, Hirudinae, Stibarobdella macrothela that feeds
exclusively on elasmobranchs (photo: R. Steene); C, Myzostome, Hypomyzostoma dodecephalcis on its host Zygometra
elegans (a crinoid) from Lizard I. (photo: G. Rouse); D, Myzostoma sp. (may be new) on its host Amphimetra tessellata
(a crinoid) from Lizard I. (photo: G. Rouse); E, marine flatworm gliding over the coral (photo: R. Steene); F, flatworm
Pseudobiceros hancocki appears to be almost swimming over the reef (photo: R. Steene); G, Sipunculida, an unidentified
species of Aspidosiphon (family Aspidosiphonidae), removed from its burrow deep within the coral substrate (photo: K.
Atkinson); H, Sipunculida entombed in the coral (photo: P. Hutchings); I, Echuira extracted from its burrow, probably a
species of Bonellia (photo: Australian Museum collection); J, Echuira, bifid tentacle of Bonellia spread out over the
sediment at the base of a coral bommie at night (photo: R. Steene); K, line drawings of nematode (artwork: K. Attwood);
L, nemertean, Baseodiscus hemprichii (photo: R. Steene).
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