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 Vertigo gouldii Vertigo malleata Vertigo milium Vertigo oralis Vertigo oscariana
Family
Population Exotic?
Variable Vertigo Malleated Vertigo
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
Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora Stylommatophora
Pupillidae Pupillidae Pupillidae Pupillidae Pupillidae Pupillidae Pupillidae Pupillidae Pupillidae Zonitidae Polygyridae Polygyridae
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
f f f f f f f f f f f f f
f d h
e d h
g g g g g g g g g g g g g g g
f f f f f f
b c
g g g g g g g g g g g g g g g
c c c c c
Blade Vertigo
c
Palmetto Vertigo Capital Vertigo Ovate Vertigo Smallmouth Vertigo a new vertigo snail Swamp Vertigo Glassy Grapeskin
f
f f f
b b d a b
g
Vertigo ovata
f
d b b
Vertigo parvula
X X
d
e d e d
d d d g d d h g d
Vertigo sp. 3
c
Vertigo teskeyae
d g d
c
c c
Vitrinizonites latissimus Xolotrema caroliniense Xolotrema denotatum Zonitoides arboreus Zonitoides elliotti Zonitoides patuloides
d
Blunt Wedge Velvet Wedge
X
c
c
b
f
f
b
c
Quick Gloss
Zonitidae Zonitidae Zonitidae
h g d
h e c
f
d
Green Dome Appalachian Gloss
f e
d b
c c
X
SC
Updated July 2020
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