In mammals, the pronephric duct is the predecessor of the Wolffian duct[WP].
Comment:
The pronephric duct collects the filtrate from the pronephric tubules and opens to the exterior of the pronephric kidney[GOC:mtg_kidney_jan10, PMID:15647339, XAO:0000063, ZFA:0000150]; [homology-note] "(...) in all craniates, the archinephric duct develops in embryogeny.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0000082", ontology="VHOG", source="ISBN:978-0030223693 Liem KF, Bemis WE, Walker WF, Grande L, Functional Anatomy of the Vertebrates: An Evolutionary Perspective (2001) p.686", source="http://bgee.unil.ch/"}