Complex sentence: There is also unequivocal evidence of at least one temple priest: in the fourth century AD, a mosaic floor, decorated with an aquatic scene, was dedicated to the temple of Nodens by one Titus Flavius Senilis.
Split into simpler sentences: There is also unequivocal evidence of at least one temple priest. The floor dates to the 4th century and was dedicated to the temple of Nodens by one Titus Flavius Senilis.