Ralik Chain, Enewetak (= Eniwetok) Atoll, Lidilbut Island (= Teiteiripucchi or Louj Island), seaward side, reef edge (geocoordinates not provided but estimated with gazetteer to be approximately lat. 11.687º, long. 162.214º); in Lithothamnia colonies on living and dead corals under 1 foot of water at low tide