‘Ghost’ fossils of early coccolithophores point to a Triassic diversification of marine calcifying organisms

Ghost and body fossils

Ghost fossils of coccoliths were present in five samples (1, 2, 5, 6, 10) (Figs. 2 and 3 and Supplementary Figs. 1–3). To our knowledge, these are now the earliest known coccoliths in the fossil record, with the oldest…