TERRESTRIAL SNAILS
Taxa Team Evaluation Results
Current North Carolina conservation protection status
North Carolina
North Carolina
in North Carolina:
Known or suspected to concentrate or aggregate (or by its rarity is concentrated) in North Carolina?
Estimated short-term population trend for the species in North Carolina?
RANGE-WIDE
North Carolina
North Carolina
RANGE-WIDE
Federal E, T (a) or C (d) = purple
Estimated number of adults within the species’ range
Estimated number of adults within North Carolina?
Estimated range size for the species in North Carolina?
RANGE-WIDE
Estimated % change in area occupied by the species?
Estimated area of distribution (range size)
State E (b) or T (C) or SC (e) = blue
Federal Listing Metric 1 Status
State Listing Status
Common Name (some may be provisional)
Order
Metric 2
Metric 3
Metric 4
Metric 5
Metric 6
Metric 7
Metric 8
Scientific Name
Family
Population Exotic?
Pinhole Threetooth Nubbin Threetooth
Triodopsis messana Triodopsis obsoleta Triodopsis pendula Triodopsis soelneri
X X X X
X X X
Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora
Polygyridae Polygyridae Polygyridae Polygyridae Polygyridae Polygyridae Polygyridae Valloniidae Valloniidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Zonitidae Pupillidae Pupillidae
Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial Terrestrial
N N N N N N N N N N N N N N N N N N N N N N N N N N
f f f
g g g
g g g e
g g g g g g g g g g g g g g g g g g g g g g g g g g
g g g
d d d
g g g g g g g g g g g g g g g g g g g g g g g g g g
d d d
Hanging Rock Threetooth Cape Fear Threetooth Budded Threetooth
X
c
T
f
f
c
c
Triodopsis tennesseensis Triodopsis tridentata Triodopsis vulgata Vallonia excentrica Vallonia pulchella Ventridens acerra Ventridens arcellus Ventridens cerinoideus Ventridens coelaxis Ventridens collisella Ventridens decussatus Ventridens demissus
f f f f f f f f
g g g d g
f
d g g d a
a e e b a c c e
b d d b a b b d
Northern Threetooth Dished Threetooth
X
X
g e e h
Iroquois Vallonia Lovely Vallonia
X
X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X X X X X
Glossy Dome Golden Dome
f
c
f
X
d g d
d
d g
Wax Dome
f
Bidentate Dome Sculptured Dome Crossed Dome Perforate Dome Throaty Dome Pyramid Dome Hollow Dome Rounded Dome Globose Dome
e
SC
c
f f
c
c
f f f f f f f f f f f f f
f f
f
b d d d e a
b
c
g g g g c
c c c
g g h
h g h d d h e e e d e
Ventridens gularis
Ventridens intertextus Ventridens lasmodon Ventridens lawae Ventridens ligera Ventridens pilsbryi Ventridens suppressus Ventridens theloides Vertigo alabamensis Vertigo bollesiana
d a b
X
f
g h d
f f f
c
d
c
Yellow Dome
c
b b
Flat Dome
X
f f
d
b d d a
Copper Dome
f f
c c
Alabama Vertigo Delicate Vertigo
d d
X
d
b
Updated July 2020
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