Adelphicos quadrivirgatum newmanorum Taylor, 1950 Adelphicos newmanorum, the Middle American burrowing snake[1][2] or Newmans' earth snake,[3] is a colubrid snake.

It is endemic to Mexico[1][2] and known from the states of San Luis Potosí, Nuevo León, and Tamaulipas.

[1] Adelphicos newmanorum is named in honor of American zoologist Robert J. Newman and his wife Marcella Newman.

[4] Adelphicos newmanorum is reddish-brown.

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