Compound eye evolution: Highly conserved retinula and cone cell patients indicate a common origin of the insect and crustacean ommatidium

Melzer, R. R., Diersch, R., Nicastro, D., & Smola, U. (1997). Compound eye evolution: Highly conserved retinula and cone cell patients indicate a common origin of the insect and crustacean ommatidium. Naturwissenschaften, 84(12), 542–544. https://doi.org/10.1007/s001140050442