Other Invertebrates

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An introduction to Invertebrates:

https://australianmuseum.net.au/learn/teachers/learning/what-are-invertebrates/

Marine invertebrates are included in their own category.

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Other Invertebrates

Molluscs (Mollusca)

Segmented Worms (Annelida)

Flatworms (Platyhelminthes)

Velvet worms or Peripatus (Onychophora)

Other worms

Proboscis or Ribbon Worms (Nemertea)

Featured sightings

Sauroconcha middenense at Nelson Bay, NSW - 21 Apr 2025 by NateKingsford

Littoraria filosa (Thin Periwinkle) at East Point, NT - 19 May 2025 by HelenCross

Triboniophorus graeffei (Red Triangle Slug) at Ulladulla, NSW - 21 May 2025 by Clarel

Fastosarion freycineti (Crimson Foot Semi-slug) at Killabakh, NSW - 23 Feb 2025 by Purschy

Nitor sheai at Killabakh, NSW - 22 Nov 2024 by Purschy

Ventopelita leucocheilus by MazzV

Cochlicella barbara (Small Pointed Snail) at Bungendore, NSW - 24 Feb 2025 by clarehoneydove

Caenoplana sulphurea (A Flatworm) at Mundarlo, NSW - 28 Sep 2024 by Tullymorgan1

Latest sightings

Austrochloritis (Genus) at Nambucca Heads, NSW - Today by trevorpreston

Caenoplana coerulea (Blue Planarian, Blue Garden Flatworm) at Valla Beach, NSW - Today by trevorpreston

Unverified Snail or Slug (Gastropoda) at Valla Beach, NSW - Today by trevorpreston

Unverified Other Invertebrate at Coogee, NSW - 6 Aug 2025 by andy999

Unverified Snail or Slug (Gastropoda) at Freshwater Creek, VIC - 21 Apr 2025 by WendyEM

Ambigolimax sp. (valentius and waterstoni) (Striped Field Slug) at Hackett, ACT - Yesterday by Hejor1

Oligochaeta (class) (Unidentified earthworm) at Hackett, ACT - Yesterday by Hejor1

Arion intermedius (Hedgehog Slug) at Hackett, ACT - Yesterday by Hejor1

Cornu aspersum (Common Garden Snail) at Hackett, ACT - Yesterday by Hejor1

Australopacifica scaphoidea (Skiff planarian) at Nambucca Heads, NSW - 13 Aug 2025 by trevorpreston

Oligochaeta (class) (Unidentified earthworm) at Borough, NSW - 13 Aug 2025 by Paul4K

Ambigolimax sp. (valentius and waterstoni) (Striped Field Slug) at Jerrabomberra, NSW - 13 Aug 2025 by Hejor1

Milax gagates (Black-keeled Slug) at Jerrabomberra, NSW - 13 Aug 2025 by Hejor1

Anzoplana trilineata (A Flatworm) at Jerrabomberra, NSW - 13 Aug 2025 by Hejor1

Ambigolimax sp. (valentius and waterstoni) (Striped Field Slug) at Jerrabomberra, NSW - 13 Aug 2025 by Hejor1

Arion intermedius (Hedgehog Slug) at Jerrabomberra, NSW - 13 Aug 2025 by Hejor1

Stanisicarion freycineti (Crimson Foot Semi-Slug) at Sawyers Gully, NSW - 6 Aug 2025 by LeeMears

Oligochaeta (class) (Unidentified earthworm) at Yarralumla, ACT - 6 Aug 2025 by NateKingsford

Limacus flavus (Yellow Cellar Slug) at Ainslie, ACT - 3 Aug 2025 by Hejor1

Limacus flavus (Yellow Cellar Slug) at Ainslie, ACT - 3 Aug 2025 by Hejor1

Oligochaeta (class) at Belconnen, ACT - 2 Aug 2025 by Hejor1

Sauroconcha middenense at Nelson Bay, NSW - 21 Apr 2025 by NateKingsford

Ambigolimax sp. (valentius and waterstoni) (Striped Field Slug) at Crace, ACT - 27 Jul 2025 by Hejor1

Pommerhelix sp. undescribed (Bungonia Limestones) (Bungonia Pomerhelix) at Bungonia, NSW - 26 Jul 2025 by trevorpreston

Pommerhelix sp. undescribed (Bungonia Limestones) (Bungonia Pomerhelix) at Bungonia, NSW - 26 Jul 2025 by trevorpreston

Oxychilus alliarius (Garlic Snail) at Boxers Creek, NSW - 26 Jul 2025 by trevorpreston

Deroceras invadens (Tramp Slug) at Sawyers Gully, NSW - 22 Jul 2025 by LeeMears

Unverified Mollusc (Mollusca) at Undefined - 17 Jul 2025 by Mike

Unverified Mollusc (Mollusca) at Broome, WA - 19 Jul 2025 by Mike

Anzoplana trilineata (A Flatworm) at Wollogorang, NSW - 18 Jul 2025 by trevorpreston

Ambigolimax sp. (valentius and waterstoni) (Striped Field Slug) at Wollogorang, NSW - 18 Jul 2025 by trevorpreston

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Discussion

Michael123 wrote:

15 Aug 2025

cannot make out what it is

Milax gagates

Michael123 wrote:

13 Aug 2025

Stanisicarion freycineti

Stanisicarion freycineti

trevorpreston wrote:

28 Jul 2025

Thanks Michael. We have a few of these sightings now, so to distinguish them from other Pommerhelix sightings I have listed them as Pommerhelix sp. undescribed (Bungonia Limestones).

Pommerhelix sp. undescribed (Bungonia Limestones)

Michael123 wrote:

28 Jul 2025

Oxychilus alliarus Family Oxychilidae. Invasive pest from Europe. Carnivorous, feeds on smaller snails.

Oxychilus alliarius

Michael123 wrote:

28 Jul 2025

undescribed Pommerhelix species Family Camaenidae. Endemic to Bungonia limestones

Pommerhelix sp. undescribed (Bungonia Limestones)

Significant sightings

Recent activity

Austrochloritis (Genus)

Caenoplana coerulea at Valla Beach, NSW

Caenoplana coerulea at Valla Beach, NSW

Ambigolimax sp. (valentius and waterstoni) at Hackett, ACT

Oligochaeta (class) at Hackett, ACT

Oligochaeta (class) at Hackett, ACT

Arion intermedius at Hackett, ACT

Cornu aspersum at Hackett, ACT

Ambigolimax sp. (valentius and waterstoni) at Hackett, ACT

Oligochaeta (class) at Hackett, ACT

Species Richness Score (SRS)

374

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