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
Cisthene conjuncta No accepted common name Invertebrates Not Listed Not Listed G1Q S1 Not Evaluated
Comaldessus stygius Comal Springs diving beetle Invertebrates Not Listed Not Listed G1 S1 Yes
Cordulegaster sarracenia sarracenia spiketail Invertebrates Not Listed Not Listed G3 SNR Not Evaluated
Cryptocephalus downiei No accepted common name Invertebrates Not Listed Not Listed G1 SH Not Evaluated
Cyclonaias necki Guadalupe orb Invertebrates E
07/05/2024
E
07/05/2024
G1 S2 Yes
Cyclonaias nodulata wartyback Invertebrates Not Listed Not Listed G4 S2 No
Cyclonaias petrina Texas pimpleback Invertebrates E
07/05/2024
E
07/05/2024
G1 S1 Yes
Cyclonaias pustulosa pimpleback Invertebrates Not Listed Not Listed G5 SNR No
Cyrtonaias tampicoensis Tampico pearlymussel Invertebrates Not Listed Not Listed G5 S4 No
Daedalochila hippocrepis horseshoe liptooth Invertebrates Not Listed Not Listed G1 S2 Not Evaluated
Danaus plexippus plexippus migratory monarch butterfly Invertebrates C
12/17/2020
Not Listed G4T3 SNR Not Evaluated
Dendrocephalus acacioidea acacia fairy shrimp Invertebrates Not Listed Not Listed G1 S1 Yes
Dinocheirus cavicola No accepted common name Invertebrates Not Listed Not Listed G2G3 S2 Yes
Diplocentrus diablo No accepted common name Invertebrates Not Listed Not Listed GNR S2 No
Eidmannella bullata No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Eidmannella delicata No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Eidmannella nasuta No accepted common name Invertebrates Not Listed Not Listed G1G2 S1 Yes
Eidmannella reclusa No accepted common name Invertebrates Not Listed Not Listed G1G2 S2 Yes
Ereboporus naturaconservatus No accepted common name Invertebrates Not Listed Not Listed GNR S1 Yes
Erynnis martialis mottled duskywing Invertebrates Not Listed Not Listed G3 S1 Not Evaluated
Euchemotrema leai cheatumi palmetto pill snail Invertebrates Not Listed Not Listed G5T1 S1 Not Evaluated
Euglandina texasiana glossy wolfsnail Invertebrates Not Listed Not Listed G1G2 S3 Not Evaluated
Euphyes bayensis bay skipper Invertebrates Not Listed Not Listed G2G3 S1 No
Euproserpinus wiesti Wiest's sphinx moth Invertebrates Not Listed Not Listed G3 S1 Not Evaluated
Fallicambarus devastator Texas prairie crayfish Invertebrates Not Listed Not Listed G3 S2? Yes