1 1Division of Invertebrate Zoology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024, USA. . erodriguez@amnh.org.
2 2Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"-CONICET, Av. Ángel Gallardo 470, Buenos Aires, Argentina. . dlauretta@gmail.com.