1. Department of Natural History; Royal Ontario Museum; 100 Queen's Park Toronto ON M5S 2C6 Canada
2. Department of Ecology and Evolutionary Biology; University of Toronto; 25 Willcocks Street Toronto ON M5S 3B2 Canada
3. Laboratorio de Helmintología; Departamento de Zoología; Instituto de Biología; Universidad Nacional Autónoma de México; Coyoacán Mexico City 04510 Mexico
4. Richard Gilder Graduate School; American Museum of Natural History; Central Park West at 79th Street New York NY 10024 USA
5. Sackler Institute for Comparative Genomics; American Museum of Natural History; Central Park West at 79th Street New York NY 10024 USA
6. FAS Research Computing; Harvard University; Cambridge MA 02138 USA
7. Museum of Comparative Zoology & Department of Organismic and Evolutionary Biology; Harvard University; Cambridge MA 02138 USA