Description of the Temple of Romulus

A brick faced concrete building with a concrete dome, the temple of Romulus incorporates elements brought from earlier buildings. Known as spolia, this re-use of early fragments was to become characteristics of Roman work of this date notable in early Christian buildings. At the temple of Romulus the bronze doors and their marble frame were brought from a Severan building of ad 200, while the flanking columns of red porphyry and the carved lintel over them came from other sources. The building was flanked by two long apsidal halls, now largely disappeared save for the two Carystian green marble columns, also spolia, of the right hand porch. Spolia is the re-use of earlier building material or decorative sculpture on new monuments. The building is located between the Temple of Antoninus and Faustina and the Basilica of Maxentius.
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