Complex sentence: Later excavations put the larger temple in the Ġgantija phase, and the smaller and more irregular temple was dated in the Saflieni phase, with its irregularities being considered to be either archaic or provincial.
Split into simpler sentences: Later excavations put the larger temple in the Ġgantija phase. The smaller and more irregular temple was dated to the Saflieni phase, with its irregularities being considered to be either archaic or provincial.