The authors use decay experiments with shrimp to show that arthropod setae do not exhibit signs of degradation, even after separation from the body. They suggest that fossil setae may be valid taxonomic indicators and that differences in setal numbers can be used to distinguish radiodont taxa.

Decay experiments on shrimps provide insight into the fossilization potential of arthropod appendages

Nora Corthésy, Gaëtan J.-M. Potin, et al.
www.openpalaeo.org/article/view...

Hi David,

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