Texas spiny softshell turtleThe Texas spiny softshell turtle '' is a subspecies of the spiny [softshell turtle] in the family Trionychidae. The subspecies is native to the southwestern United States and adjacent northeastern Mexico.EtymologyThe subspecific name, emoryi, is in honor of United States Army officer and surveyor William Hemsley Emory.Geographic rangeA. s. emoryi is found in western Texas and New Mexico, in the Rio Grande and its immediate tributaries, and in the Mexican states of Coahuila and Tamaulipas.DietIn the Texas portion of the Pecos River, A. s. emoryi were found to be primarily insectivorous, feeding on coleopterans, hymenopterans, odonates, and orthopterans.