The economy of the San Ciriaco people was predominantly agricultural using the same plant and animal species as the preceding Bonu Ighinu culture.
[2] San Ciriaco ceramics encompass well-fired and thin-walled vessels with polished surfaces varying in colour from beige to black.
Vessels exhibit angular or carinated shapes, possess slightly rounded or flat bases, and are undecorated.
[3] At Monte Arci, larger workshops hint towards an intensified use of obsidian, while imported flint from the Gargano peninsula found in cist 1 of the Li Muri necropolis at Arzachena documents far reaching contacts.
[4] While small artificial caves continued to be used for burials, now more elaborated underground rock-cut tombs, so called hypogea, were built, placing Sardinia well into the megalithic context of the western mediterranean.