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Species Information

Kingdom: Animalia
  Phylum: Mollusca
    Class: Gastropoda
      Order: Littorinimorpha
        Family: Assimineidae
          Genus: Assiminea
            Species: pecos

Pecos Assiminea Snail - Assiminea pecos

821444

Species Extent (New Mexico)

General Description

Pecos Assiminea (Assiminea pecos) is a tiny (shell length up to 2.2 mm) thermal spring snail with rudimentary gills. They are the most inland member of their group and are now only found along the Lost River in Bitter Lake National Wildlife Refuge in New Mexico and in Diamond Y Draw in Texas. They inhabit aquifer-fed spring systems in desert grasslands with abundant karst (limestone land formations) topography.

Status

Global Rank: G1

State Rank: S1

State Status: E

Federal Status: Listed Endangered [LE]

USFS Status:

BLM Status:

SWAP Status: SGCN

NMRP Strategy Status:

Observations in Natural Heritage New Mexico Database

Number of Subpopulations: 4

Number of Mapped Locations: 14

Number of Observations: 37

Observation date range: 01-01-1968 to 08-27-2021

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