Animalia All you want to know about animals

Endemic Animals of Texas

Perna perna

Perna perna, the brown mussel, is an economically important mussel, a bivalve mollusc belonging to the family Mytilidae. It is harvested as a food source but is also known to harbor toxins and cause damage to marine structures. It is native to the waters of Africa, Europe, and South America and was introduced in the waters of North America.

Perna perna

Agkistrodon contortrix pictigaster

Agkistrodon contortrix pictigaster was formerly a venomous pit viper subspecies found in the Trans-Pecos region of the United States in western Texas, and northeastern Mexico. However, recent taxonomic changes do not recognizes the Trans-Pecos copperhead (A. c. pictigaster ) as a valid taxon.

Agkistrodon contortrix pictigaster

Thamnophis proximus rubrilineatus

Thamnophis proximus rubrilineatus, the redstripe ribbon snake, is a subspecies of the western ribbon snake, a garter snake endemic to the southern United States.

Thamnophis proximus rubrilineatus

Texas map turtle

The Texas map turtle (Graptemys versa ) is a species of emydid turtle endemic to Texas.

Texas map turtle

Texas river cooter

The Texas river cooter (Pseudemys texana ) is a species of freshwater turtle endemic to the U.S. state of Texas. It is found in the river basins of the Brazos, San Bernard, Colorado, Guadalupe, San Antonio, Nueces, and their tributaries. It is one of three species of cooters (Pseudemys ) occurring in Texas, including the Rio Grande cooter (Pseudemys gorzugi ) and the river cooter (Pseudemys concinna ).

Texas river cooter

Cagle's map turtle

Cagle's map turtle (Graptemys caglei) is a species of turtle in the family Emydidae. The species is endemic to Texas, where it is native to the Guadalupe, San Antonio, and San Marcos Rivers.

Cagle's map turtle

Nerodia paucimaculata

Nerodia paucimaculata, commonly known as the Concho water snake, is a species of mostly aquatic, nonvenomous snake in the family Colubridae. The species is endemic to Texas in the United States.

Nerodia paucimaculata

Texas lined snake

The Texas lined snake (Tropidoclonion lineatum texanum ) is a subspecies of nonvenomous snake in the subfamily Natricinae of the family Colubridae. The subspecies is endemic to the United States.

Texas lined snake

Guadalupe spiny softshell turtle

The Guadalupe spiny softshell turtle (Apalone spinifera guadalupensis ) is a subspecies of soft-shelled turtle native to the United States, in the state of Texas. Their range is limited only to the Nueces and Guadalupe rivers, and their immediate tributaries.

Guadalupe spiny softshell turtle

Attwater's pocket gopher

Attwater's pocket gopher (Geomys attwateri ) is a species of rodent in the family Geomyidae. It is endemic to the Texas Coastal Bend in the southcentral United States.This species was named in honor of English naturalist Henry Philemon Attwater.

Attwater's pocket gopher

Central Texas pocket gopher

The central Texas pocket gopher or Llano pocket gopher (Geomys texensis ) is a species of rodent in the family Geomyidae. It is endemic to central Texas in the United States.

Central Texas pocket gopher

Amethyst gem clam

The amethyst gem clam (Gemma gemma ) is species of very small saltwater clam, a marine bivalve mollusk in the family Veneridae, the Venus clams.It is a small species, reaching a length of only 5 mm. The shell color is whitish or grayish, suffused with purple on both outer and inner surfaces.The species is native to the Atlantic coast of North America, from Labrador to Texas, but it is now also found as an introduced species in some locations on ...
the Pacific coast.

Amethyst gem clam

Rotundaria aurea

Rotundaria aurea, the golden orb, is a species of freshwater mussel. It is native to the United States, where it is found only in Texas.This species was moved from Quadrula to Rotundaria based on genetic evidence in 2012.

Rotundaria aurea

Cryoturris adamsii

Cryoturris adamsii is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

Cryoturris adamsii

Liamorpha decorata

Liamorpha decorata is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

Liamorpha decorata