Complex sentence: The Texas lined snake ("Tropidoclonion lineatum texanum") is a subspecies of nonvenomous colubrid snake found in the southcentral United States, primarily in the state of Texas.
Split into simpler sentences: The Texas lined snake ("Tropidoclonion lineatum texanum") is a subspecies of nonvenomous colubrid snake endemic to the United States. It is found in the southcentral United States, primarily in the state of Texas.