Species of Greatest Conservation Need

1124 species
Taxonomic Group
Federal Status
State Status
Endemic

Export results as CSV

View Status Definitions

Species of Greatest Conservation Need (Approved On: 03/18/2024; Data Updated: 06/16/2025)
Scientifc Name Common Name Taxonomic Group Federal Status State Status Global Rank State Rank Endemic
Rhadine speca gentilis No accepted common name Invertebrates Not Listed Not Listed G2T1 S1 Not Evaluated
Rhadine speca speca No accepted common name Invertebrates Not Listed Not Listed G2T1 S1 Not Evaluated
Rhadine subterranea No accepted common name Invertebrates Not Listed Not Listed G2 S2 Yes
Rhadine tenebrosa No accepted common name Invertebrates Not Listed Not Listed G1G2 S1S2 Yes
Sagittunio subrostratus pondmussel Invertebrates Not Listed Not Listed G5 S4 No
Salimuzzamania howdeni No accepted common name Invertebrates Not Listed Not Listed GNR S1 Yes
Satyrium polingi Poling's hairstreak Invertebrates Not Listed Not Listed G3 S1 No
Schistocerca camerata No accepted common name Invertebrates Not Listed Not Listed GNR S1 Not Evaluated
Seborgia hershleri No accepted common name Invertebrates Not Listed Not Listed G1G2 S2 Yes
Somatochlora margarita Texas emerald dragonfly Invertebrates Not Listed Not Listed G2G3 S2 No
Sonorella huecoensis Huecos Mountains talus snail Invertebrates Not Listed Not Listed G1G2 S1 Yes
Sonorella metcalfi Franklin Mountain talus snail Invertebrates Not Listed Not Listed G2 S2 No
Sparbarus coushatta No accepted common name Invertebrates Not Listed Not Listed G1G2 SNR Not Evaluated
Spectralia prosternalis No accepted common name Invertebrates Not Listed Not Listed GNR S2 Yes
Speocirolana hardeni No accepted common name Invertebrates Not Listed Not Listed G2G3 S2 No
Speodesmus falcatus sickled cave millipede Invertebrates Not Listed Not Listed GNR S1 Yes
Speodesmus ivyi Ivy's cave millipede Invertebrates Not Listed Not Listed GNR S2 Yes
Speodesmus reddelli Reddell's cave millipede Invertebrates Not Listed Not Listed GNR S2 Yes
Sphalloplana mohri No accepted common name Invertebrates Not Listed Not Listed G3G4 S3 Yes
Sphingicampa blanchardi No accepted common name Invertebrates Not Listed Not Listed G1 S1 Probable
Stallingsia maculosus Manfreda giant-skipper Invertebrates Not Listed Not Listed G1 S1 No
Streptocephalus mattoxi crenatethumb fairy shrimp Invertebrates Not Listed Not Listed G1 S1 Yes
Strophitus undulatus creeper Invertebrates Not Listed Not Listed G5 S1 No
Stygobromus alabamensis No accepted common name Invertebrates Not Listed Not Listed G5 S1 No
Stygobromus balconis Balcones Cave amphipod Invertebrates Not Listed Not Listed G2G3 S2 Yes