The eggshells of palaeognath birds (e.g. ostrich, moa, kiwi, emu) have diverse homology and convergent features, and are useful modern analogues for the evolution of non-avian dinosaur eggshells.
Jorune Sakalauskaite, Søren H Andersen ... Beatrice Demarchi
Ancient proteomes from tiny shell ornaments were successfully characterised for the first time, showing the unexpected use of mother-of-pearl from local riverine molluscs in both coastal and inland prehistoric sites.
