Eumelanin – a natural pigment found for instance in human eyes – has, for the first time, been identified in the fossilized compound eyes of 54-million-year-old crane-flies. It was previously assumed that melanic screening pigments did not exist in arthropods.
Cephalic region (head) of a 54-million-year-old crane-fly from the Fur Formation of Denmark, illustrating
the regularly arranged hexagonal ommatidial facets of its…
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