Daftar fosil peralihan: Perbedaan antara revisi

|An [[Anaspida|anaspid]], ancestral to the [[gnathostomes|jawed vertebrates]],<ref name="isbn978-0-415-23370-5">{{cite book |author=Ahlberg, Per Erik |authorlink= |editor= |others= |title=Major events in early vertebrate evolution: palaeontology, phylogeny, genetics, and development |edition= |language= |publisher=Taylor & Francis |location=Washington, DC |year=2001 |origyear= |quote= |isbn=978-0-415-23370-5 |oclc= |doi= |url=http://books.google.com/?id=zeyRZNZl-74C&pg=PA188&dq=Anaspida+%22stem+gnathostomes%22 |accessdate=|page= 188}}</ref>