Vitruvius stated it was the work of Hermodorus of Salamis, and Velleius stated Metellus was the first to build a temple in Rome out of marble, presumably referring to this temple. It was a hexastyle peripteral building with six columns along the short sides and eleven on the long sides.
Vitruvius credited Hermodorus of Salamis for it, while Velleius indicated that Metellus was the first to build a marble temple in Rome. This structure was an hexastyle peripteral building with six columns along the shorter sides and eleven on the longer sides.