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Fossils illuminate fish evolution
The animals lived in a time when Africa was in an ice age
Fossils of an ancient fish - dating back 450 million years, when the creatures had neither bones nor teeth - have been found in South Africa.
The finds, which are 50 million years older than any other fossil fish in Africa, will help provide a "missing link" in the evolution of early fish.
The first of eight fossil specimens was dug up in 1994, and named "Nelson" after the newly elected president.
The research is being conducted by a UK-South African team of scientists.
Dalje
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