🇵🇹 Portugal · Submerged site
Antillia (Second Isle of Seven Cities) – Northern Variant
Portolan phantom (1435–1492) · Genoese–Portuguese cartography
Northern Antillia variant at 38°N 35°W – 150 km rectangular Seven Cities duplicated northward.
🇵🇹 Portugal · Archaeological wonder
Mayda (Maida) – Crescent Phantom of the Atlantic
Medieval–Modern cartography (1367 Pizzigani – 1906) · Italian Majorcan–Bristol cartographic
Much-copied Atlantic crescent since 1367 — crescent concave east at 46N 20W surviving to Admiralty 1906.