Roadless Areas
Home/Species/ Monitor Tryonia

Tryonia monitorae

Hershler, 1999

Monitor Tryonia

G1Critically Imperiled Found in 4 roadless areas NatureServe Explorer →
G1Critically ImperiledGlobal Rank
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.113803
Element CodeIMGASJ7230
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryInvertebrate Animal
Endemicendemic to a single state or province
KingdomAnimalia
PhylumMollusca
ClassGastropoda
OrderLittorinimorpha
FamilyCochliopidae
GenusTryonia
Concept Reference
Hershler, R. 1999. A systematic review of the Hydrobiid snails (Gastropoda: Rissooidea) of the Great Basin, Western United States. Part II. Genera Colligyrus, Eremopyrgus, Fluminicola, Pristinicola, and Tryonia. The Veliger, 42(4): 306-337.
Conservation Status
Review Date2000-01-24
Change Date2000-01-24
Edition Date2000-01-24
Edition AuthorsMorrison, M.
Threat ImpactUnknown
Range Extent<100-250 square km (less than about 40-100 square miles)
Rank Reasons
Appears to be restricted to one locality in Nevada.
Range Extent Comments
Restricted to type locality in Nye County, Nevada (Hershler 1999).
Threat Impact Comments
Threats have not been assessed for this species.
Ecology & Habitat
Other Nations (1)
United StatesN1
ProvinceRankNative
NevadaS1Yes
Threat Assessments
ThreatScopeSeverityTiming
Unknown/undetermined———

—

Roadless Areas (4)
Nevada (4)
AreaForestAcres
ButlerHumboldt-Toiyabe National Forest39,470
Iron SpringHumboldt-Toiyabe National Forest36,737
Sam's CanyonHumboldt-Toiyabe National Forest11,869
Toquima CaveHumboldt-Toiyabe National Forest43,147
References (2)
  1. Freshwater Mollusk Conservation Society (FMCS). 2021. The 2021 checklist of freshwater gastropods (Mollusca: Gastropods) of the United States and Canada. Considered and approved by the Gastropods Names Subcommittee December 2020. Online: https://molluskconservation.org/MServices_Names-Gastropods.html
  2. Hershler, R. 1999. A systematic review of the Hydrobiid snails (Gastropoda: Rissooidea) of the Great Basin, Western United States. Part II. Genera <i>Colligyrus</i>, <i>Eremopyrgus</i>, <i>Fluminicola</i>, <i>Pristinicola</i>, and <i>Tryonia</i>. The Veliger, 42(4): 306-337.