Tholos B at Platanos dates from the EM III-MM I beginning..
See:
- Borja Legarra Herrero, The Secret Lives of the Early and Middle Minoan Tholos Cemeteries: Koumasa and Platanos, in Prehistoric Crete: Regional and Diachronic Studies on Mortuary Systems, ed. J. M. A. Murphy Philadelphia: INSTAP Academic Press, 2011, pp. 49-84.
- Stephanos A. Xanthudidēs, The vaulted tombs of Mesará : an account of some early cemeteries of southern Crete — London, 1924 p. 88 nn - http://digi.ub.uni-heidelberg.de/diglit/xanthudides1924/
- www.minoancrete.com/platanos.htm