Lizard Island Bicoloured Snail (species: Hadra semicastanea) in Lizard Island area: all known taxa (Lizard Island Field Guide)
Lizard Island area: all known taxa > Animalia > Mollusca > Gastropoda > Heterobranchia > Stylommatophora > Camaenidae > Hadra > Hadra semicastanea (gallery)
Hadra semicastanea
Lizard Island Bicoloured Snail


©Anne Hoggett: Hadra semicastanea at Lizard Island Research Station.

©Anne Hoggett: Hadra semicastanea at Lizard Island Research Station.

©Anne Hoggett: Shell of Hadra semicastanea at Lizard Island. Thanks to Dr Frank Koehler (Australian Museum) for the identification.

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Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Stylommatophora
Family Camaenidae
Genus Hadra
Species Hadra semicastanea

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Lizard Island Field Guide
Lizard Island area: all known taxa

Colours

                             

Distinguishing features

Distinguishing features still need to be specified.

Size

  • Up to 3.5 cm (Diameter of shell)

Synonyms

Similar taxa

  • Animalia: species: Thersites bipartita
    was recorded at Lizard Island by Robertson (1981) but that appears to refer to Hadra semicastanea. Atlas of Living Australia (accessed 20 Mar 2018) says the supplied scientific name for that record is "Thersites (Hadra) bipartita semicastanea Pfeiffer 1849"

Distribution


©Atlas of Living Australia: Australian distribution

Local abundance

  • Lizard Island, Queensland: This is the common land snail at Lizard Island. Dead shells litter most forested areas and living animals are often seen during the wet season.

Web resources

References

  • Robertson, R. (1981). List of shell-bearing mollusks observed and collected at Lizard Island, Great Barrier Reef, Australia, Tryonia, 4: 1-32. LIRS catalog number 403.