Species of Greatest Conservation Need

1124 species
Taxonomic Group
Federal Status
State Status
Endemic

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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
Texella brevidenta No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Texella brevistyla No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Texella cokendolpheri Cokendolpher cave harvestman Invertebrates E
12/26/2000
Not Listed G1 S1 Yes
Texella diplospina No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Texella fendi No accepted common name Invertebrates Not Listed Not Listed G1G2 S1S2 Yes
Texella grubbsi No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Texella hardeni No accepted common name Invertebrates Not Listed Not Listed G1G2 S2 Yes
Texella mulaiki No accepted common name Invertebrates Not Listed Not Listed G2G3 S1 Yes
Texella reddelli Reddell harvestman Invertebrates E
09/16/1988
Not Listed G2G3 S2 Yes
Texella renkesae No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Texella reyesi Bone Cave harvestman Invertebrates E
09/16/1988
Not Listed G2G3 S2 Yes
Texiweckelia texensis No accepted common name Invertebrates Not Listed Not Listed G2G3 S2 Yes
Texiweckeliopsis insolita No accepted common name Invertebrates Not Listed Not Listed G3 S2 Yes
Tortopus circumfluus No accepted common name Invertebrates Not Listed Not Listed G1G3 S2? Yes
Toxolasma parvum lilliput Invertebrates Not Listed Not Listed G5 S3 No
Trichodesma pulchella No accepted common name Invertebrates Not Listed Not Listed GNR S1 Not Evaluated
Tricorythodes curvatus No accepted common name Invertebrates Not Listed Not Listed G1G3 S2? No
Trigonogya reticulaticollis No accepted common name Invertebrates Not Listed Not Listed GNR S1 Yes
Trigonoscutoides texanus No accepted common name Invertebrates Not Listed Not Listed GNR S2 Yes
Tritogonia nobilis Gulf mapleleaf Invertebrates Not Listed Not Listed G4 SU No
Tritogonia verrucosa pistolgrip Invertebrates Not Listed Not Listed G4G5 S3S4 No
Truncilla cognata Mexican fawnsfoot Invertebrates PE
07/25/2023
T
01/17/2010
G1 S1 No
Truncilla donaciformis fawnsfoot Invertebrates Not Listed Not Listed G5 S2 No
Truncilla macrodon Texas fawnsfoot Invertebrates T
07/05/2024
T
01/17/2010
G1 S2 Yes
Truncilla truncata deertoe Invertebrates Not Listed Not Listed G5 S3 No