A Roman naval bireme depicted in a relief from the Temple of Fortuna Primigenia

A Roman naval bireme depicted in a relief from the Temple of Fortuna Primigenia in Praeneste, which was built c. 120 BC. Exhibited in the Pius-Clementine Museum (Museo Pio-Clementino) in the Vatican Museums. Source: D.B. Saddington (2011) [2007]. "the Evolution of the Roman Imperial Fleets," in Paul Erdkamp (ed), A Companion to the Roman Army, 201-217. Malden, Oxford, Chichester: Wiley-Blackwell. ISBN 978-1-4051-2153-8. Plate 12.2 on p. 204. For the construction of the Temple of Fortuna Primigenia, see Coarelli, Filippo (1987), I Santuari del Lazio in età repubblicana. NIS, Rome, pp 35-84.