Evolution of the chelicera: a dachshund domain is retained in the deutocerebral appendage of Opiliones (Arthropoda, Chelicerata)

Evolution of the chelicera: a dachshund domain is retained in the deutocerebral appendage of Opiliones (Arthropoda, Chelicerata). Sharma, P.P., Schwager, E.E., Extavour, C. G. and Giribet, G. Evolution and Development, 14(6): 522-533 (2012)