Haliotis coccoradiata (reddish-rayed abalone)

Haliotis laevigata (greenlip abalone)

Haliotis rubra (blacklip abalone)

Haliotis scalaris emmae (Emma’s abalone)

Hallaxa michaeli (Michael’s sea-slug)

Hamacuna hamata (hooked false-cockle)

Haminoea maugeansis (little bubble-shell)

Hapalochlaena maculosa (southern blue-ringed octopus)

Hastula brazieri (Brazier’s auger)

Haustrum baileyanum (Bailey’s rock-shell)

Haustrum flindersi (Flinders’ rock-shell)

Haustrum vinosum (purple-mouthed rock-shell)

Hebeulima columnaria (Cape Pillar urchin-snail)

Hebeulima kilcundae (Kilcunda urchin-snail)

Hedleytriphora basimacula (blotched-based sinistral-creeper)

Hedleytriphora fasciata (banded sinistral-creeper)

Hedleytriphora innotabilis (dull sinistral-creeper)

Hedleytriphora scitula (beautiful sinistral-creeper)

Heliacus ponderi (Ponder’s sundial-shell)

Helicocranchia pfefferi (Pfeffer’s squid)

Hemitoma subemarginata (giant notch-limpet)

Herpetopoma aspersa (speckled top-shell)

Herpetopoma pumilio (diminutive top-shell)

Herpetopoma scabriuscula (rough top-shell)

Herpetopoma vixumbilicata (umbilicated top-shell)

Herviera buliminoides (buliminoid pyramid-shell)

Heterocithara bilineata (double-lined false-turrid)

Hiatella australis (southern crypt-dweller)

Hinea brasiliana (Brasilian clusterwink)

Hinemoa tasmanica (mask pyramid-shell)

Hipponix australis (southern bonnet-limpet)

Histioteuthis atlantica (Atlantic squid)

Histioteuthis bonnellii (Bonnelli’s squid)

Histioteuthis macrohista (large-webbed squid)

Histioteuthis miranda (admirable squid)

Hoplodoris nodulosa (lumpy sea-lemon)

Humphreyia strangei (Strange’s watering-pot)

Huxleyia concentrica (concentric nucinellid)

Hydrococcus brazieri (Brazier’s hydrococcus)

Hydroginella columnaria (Cape Pillar margin-shell)

Hydroginella mixta (mixta margin-shell)

Hydroginella tridentata (three-toothed margin-shell)

Hypermastus coxi (Cox’s urchin-snail)

Hypermastus mucronatus (pointed-tipped urchin-snail)