Independent origins of spicules reconcile palaeontological and molecular evidence of the evolutionary history of sponges
M. E. Rossi, J. N. Keating, N. J. Kenny, M. Giacomelli, S. Alvarez-Carretero, A. Schuster, P. Cardenas, S. Taboada, V. Koutsouveli, P. Donoghue, A. Riesgo, D. Pisani
The paper reconciles molecular and fossil evidence by showing sponges emerged in the early Ediacaran without spicules, which evolved independently multiple times later.
bioRxiv · Jun 24, 2024 · PreprintEvolutionary Biology