L. dulcis appears much like a shiny earthworm. They are pinkish-brown (puce) in color with a deep sheen to their scales. They appear not to be segmented. Their eyes are no more than two dark dots under the head's lucent scales. Their mouths are small and set in an underbite. Adults can grow to approximately 20 cm (7.9 in) in length.
On the top of the head, between the ocular scales, L. dulcis has three scales (L. humilis has one scale).
Texas slender blind snake, Texas threadsnake, Texas blind snake, plains blind snake.
