Species of Greatest Conservation Need
1124 species
| Scientifc Name | Common Name | Taxonomic Group | Federal Status | State Status | Global Rank | State Rank | Endemic |
|---|---|---|---|---|---|---|---|
| Phreatodrobia imitata | mimic cavesnail | Invertebrates | Not Listed | Not Listed | G1 | S1 | Yes |
| Phreatodrobia micra | No accepted common name | Invertebrates | Not Listed | Not Listed | G2G3 | S2 | Yes |
| Phreatodrobia plana | No accepted common name | Invertebrates | Not Listed | Not Listed | G2 | S2 | Yes |
| Phreatodrobia punctata | No accepted common name | Invertebrates | Not Listed | Not Listed | G2 | S1 | Yes |
| Phreatodrobia rotunda | No accepted common name | Invertebrates | Not Listed | Not Listed | G1G2 | S2 | Yes |
| Phylocentropus harrisi | No accepted common name | Invertebrates | Not Listed | Not Listed | G1G2 | S1 | No |
| Piruna haferniki | Chisos skipperling | Invertebrates | Not Listed | Not Listed | G2G3 | S1? | No |
| Plauditus texanus | No accepted common name | Invertebrates | Not Listed | Not Listed | G2G3 | S1? | No |
| Pleurobema riddellii | Louisiana pigtoe | Invertebrates | PT 03/20/2023 |
T 01/17/2010 |
G1G2 | S1 | No |
| Pogonomyrmex comanche | Comanche harvester ant | Invertebrates | Not Listed | Not Listed | G2G3 | S2 | Yes |
| Polyphylla monahansensis | Monahans lined june beetle | Invertebrates | Not Listed | Not Listed | GNR | S2 | No |
| Polyphylla pottsorum | No accepted common name | Invertebrates | Not Listed | Not Listed | GNR | S1 | Not Evaluated |
| Popenaias popeii | Texas hornshell | Invertebrates | E 03/12/2018 |
E 03/30/2020 |
G1 | S1 | No |
| Potamilus amphichaenus | Texas heelsplitter | Invertebrates | PE 03/20/2023 |
T 01/17/2010 |
G1G3 | S1 | No |
| Potamilus metnecktayi | Salina mucket | Invertebrates | Not Listed | T 01/17/2010 |
G1 | S1 | No |
| Potamilus streckersoni | Brazos heelsplitter | Invertebrates | Not Listed | T 03/27/2020 |
GNR | SNR | Yes |
| Praticolella candida | No accepted common name | Invertebrates | Not Listed | Not Listed | G2 | S3 | Yes |
| Praticolella trimatris | No accepted common name | Invertebrates | Not Listed | Not Listed | G2 | S3 | Yes |
| Procambarus brazoriensis | Brazoria crayfish | Invertebrates | Not Listed | Not Listed | G1 | S1 | Yes |
| Procambarus nechesae | Neches crayfish | Invertebrates | Not Listed | Not Listed | G2 | S1S2 | Yes |
| Procambarus nigrocinctus | blackbelted crayfish | Invertebrates | Not Listed | Not Listed | G1G2 | S1 | Yes |
| Procambarus nueces | Nueces crayfish | Invertebrates | Not Listed | Not Listed | G1 | S1 | Yes |
| Procambarus regalis | regal burrowing crayfish | Invertebrates | Not Listed | Not Listed | G2G3 | SNR | Not Evaluated |
| Procambarus steigmani | Parkhill Prairie crayfish | Invertebrates | Not Listed | Not Listed | G1G2 | S1S2 | Yes |
| Procambarus texanus | Bastrop crayfish | Invertebrates | Not Listed | Not Listed | G1 | S1 | Yes |