Biodiversity - Species List

MOLLUSKS (snails and slugs)

No lobsters or crabs here, just freshwater and land species. Among the freshwater Mollusks, no mussels or clams have been noted and only two aquatic snails have been listed. The land snails and slugs are the larger component of Mollusks in the Park. More work could be done on the aquatic snails and on the smaller land snails (< 4 mm) that are under-represented in this list.

The Mollusk list is sorted by this:

Land Snails
Slugs
Aquatic Snails

Understanding and Using the List

This list is derived from observations posted in the app iNaturalist. The observations here include those iNat classified as “research grade” or “needs id”. Observations in this latter category were not confirmed by others, but were reviewed for this listing. Some of the tentative "needs id" identification were omitted due to conflicting or questionable assignment. As well, any "need id" identifications solely to family or genus level were omitted if there were other exact identifications for species within the group.
The common name is followed by the scientific name in parentheses. In some cases, there may be no common name.
Mollusk data include iNat, but also an earlier 2022 review of museum collections and permitted collections from 2021-2023.
Errors in tabulation, grouping, or links may have occurred - these are a mess of data - the error is mine.

Note: Species sourced from museum [mus], recent collections [recent] or iNat research grade [iNat]. Links are to iNat for [iNat] species or www.indianasnails.com for [mus] and [recent] species.

common name (scientific name)

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Amber Glass Snail (Nesovitrea electrina) [mus] - https://www.indianasnails.com/nesovitrea

Amber Snails (Family Succeneidae) [recent, iNat] - https://www.inaturalist.org/observations/53068348

Armed Snaggletooth Snail (Gastrocopta armifera) [mus] - https://www.indianasnails.com/gastrocopta-b1

Banded Tigersnail (Anguispira kochi) [mus, recent] - https://www.indianasnails.com/allogona

Bladetooth Wedge (Xolotrema fosteri) [recent, iNat] - https://www.inaturalist.org/observations/282715223

Bottleneck Snaggletooth Snail (Gastrocopta contracta) [mus] - https://www.indianasnails.com/gastrocopta-b2

Broad-banded Forestsnail (Allogona profunda) [mus. recent, iNat] - https://www.inaturalist.org/observations/65298219

Bronze Pinecone Snail (Strobilops aeneus) [mus] - https://www.indianasnails.com/strobilops

Brown Hive Snail (Euconulus fulvus) [mus] - https://www.indianasnails.com/euconulus

Carved Glyph Snail (Glyphyalinia indentata) [mus] - https://www.indianasnails.com/glyphyalinia

Comb Snaggletooth Snail (Gastrocopta pentodon) [mus] - https://www.indianasnails.com/gastrocopta-b2

Common Button Snail (Mesomphix vulgatus) [mus, recent] - https://www.indianasnails.com/mesomphix

Copper Button Snail (Mesomphix cupreus) [mus] - https://www.indianasnails.com/mesomphix

Dentate Supercoil Snail (Paravitrea multidentata) [mus] - https://www.indianasnails.com/paravitrea

Dimple Supercoil (Paravitrea capsella) [mus] - https://www.indianasnails.com/paravitrea

Domed Disc Snail (Discus patulus) [mus, recent] - https://www.indianasnails.com/discus

Eastern Whitelip Snail (Neohelix albolabris) [mus. recent, iNat] - https://www.inaturalist.org/observations/73998949

Flamed Tigersnail (Anguispira alternata) [mus] - https://www.indianasnails.com/anguispira

Flat Bladetooth Snail (Patera appressa) [mus] - https://www.indianasnails.com/patera

Glass Spot Snail (Punctum vitreum) [mus] - https://www.indianasnails.com/punctum

Globose Dome Snail (Ventridens ligera ) [mus. recent, iNat] - https://www.inaturalist.org/observations/207961066

Gray-foot Lancetooth Snail (Haplotrema concavum) [mus. recent, iNat] - https://www.inaturalist.org/observations/57659556

Ice Thorn Snail (Carychium exile) [mus] - https://www.indianasnails.com/carychium

Inland Slitmouth Snail (Stenotrema stenotrema) [mus, iNat] - https://www.inaturalist.org/observations/62729774

Iroquois Vallonia Snail (Vallonia excentrica) [mus] - https://www.indianasnails.com/vallonia

Northern Threetooth Snail (Triodopsis tridentata) [mus. recent, iNat] - https://www.inaturalist.org/observations/111312859

Ovate Vertigo Snail (Vertigo ovata) [mus] - https://www.indianasnails.com/vallonia

Proud Globe Snail (Mesodon elevatus) [mus. recent, iNat] - https://www.inaturalist.org/observations/71327166

Proud Globelet Snail (Patera pennsylvanica) [mus. recent, iNat] - https://www.inaturalist.org/observations/164673900

Quick Gloss Snail (Zonitoides arboreus) [mus] - https://www.indianasnails.com/zonitoides

Rivercliff Threetooth Snail (Triodopsis discoidea) [mus, iNat] - https://www.inaturalist.org/observations/164653836

Shagreen Snail (Inflectarius inflectus) [mus. recent, iNat] - https://www.inaturalist.org/observations/254331993

Smooth Bladetooth Snail (Patera laevior) [mus] - https://www.indianasnails.com/patera

Smooth-lip Shagreen Snail (Inflectarius edentatus) [mus] - https://www.indianasnails.com/inflectarius

Toothed Globe Snail (Mesodon zaletus) [mus. recent, iNat] - https://www.inaturalist.org/observations/260421422

Upland Pillsnail (Euchemotrema fraternum) [mus] - https://www.indianasnails.com/euchemotrema

Velvet Wedge Snail (Xolotrema denotatum) [mus, recent, iNat] - https://www.inaturalist.org/observations/73999043

Western Whitelip Snail (Neohelix alleni) [mus] - https://www.indianasnails.com/neohelix

White-lip Dagger Snail (Pupoides albilabris) [mus] - https://www.indianasnails.com/pupillidae

White-lip Globe Snail (Mesodon thyroidus) [mus, recent, iNat] - https://www.inaturalist.org/observations/279824046

Wild Hive Snail (Euconulus chersinus) [mus] - https://www.indianasnails.com/euconulus

Toga Mantleslug (Philomycus togatus) - https://www.inaturalist.org/observations/347095334

Marsh Ramshorn (Planorbella trivolvis) [recent, iNat] - https://www.inaturalist.org/observations/249686590

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Needs ID

common name (scientific name)

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Bristled Slitmouth (Stenotrema barbatum) [iNat needs id] - https://www.inaturalist.org/observations/194669560

Kentucky Slitmouth (Stenotrema angellum) [iNat needs id] - https://www.inaturalist.org/observations/194669434

Perforate Dome Snail (Ventridens demissus) [iNat needs id] - https://www.inaturalist.org/observations/194536434

Pillsnails (Euchmotrema) [iNat needs id] - https://www.inaturalist.org/observations/66401767

Carolina Mantleslug (Philomycus carolinianus) [iNat needs id] - https://www.inaturalist.org/observations/91601422

Western Dusky Slug (Arion subfuscus) [iNat needs id] - https://www.inaturalist.org/observations/97778029 [INVASIVE]

Liver Elimia (Elimia livescens) [iNat needs id] - https://www.inaturalist.org/observations/249686388

none (Pleuroceridae) - https://www.inaturalist.org/observations/347332913

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