The Roman Map of Britain Nova Selmeston/Arlington, East Sussex; or Sedlescombe?

Nuba (R&C 68) next

    Nova is the natural emendation. R&C's correlation of the river-name Novia (R&C 267) with Ptolemy's Novus Portus is sensible. 
    One approach locates Nova somewhere between Anderetio Pevensey (R&C 67) and Mutuantonis-on-the-Ouse (R&C 69). Nova has many possible locations. The Roman road system is fairly complicated in the area of interest and does little to limit the choices.
    If we take Novia to be the River Cuckmere, then Margary 142 crosses it east of Berwick Station between the following Roman settlements:
EHNMR-626398 SELMESTON SAND PIT, SELMESTON Roman settlement TQ5106
    Selmeston is near the intersection of M141 and M142.
EHNMR-626387 ST PANCRAS' CHURCH, ARLINGTON Roman Settlement TQ5407
    Arlington is closer to the river-crossing and has more associated finds.
    Villas: Arlington (TQ5306),  and Wilmington (TQ5406).

   Alternatively, there is no absolute certainty that Nova and the next entry are in the same quarter as Pevensey (6sw). Nova might be in the iron-working district on the River Brede, possibly the Novus Portus of Ptolemy. 'Estuaries, where now the marshlands lie, ran far inland at that time, and it is likely that havens for small ships were in use for the ironworks near Bodiam and Sedlescombe.' Margary p.46 (1973). Sedlescombe Street was the name given that part which abuts the Brede on the 1878 OS 16 inch map, and is where a haven would be expected (TQ782176).

EHNMR-626592 FOOTLANDS, SEDLESCOMBE Roman bloomery TQ7719
EHNMR-626594 FOOTLANDS, SEDLESCOMBE Roman bloomery TQ7719
EHNMR-626595 PETLEY WOOD, BATTLE Roman ironstone mine TQ7617

CDEPN p 174 regards it as possible that the old name of the Cuckmere was Exe, as in Exceat TV5199.

Hassocks, on the river Adur should be considered a possibility.