Ostreobium quekettii Bornet & Flahault, 1889: CLXI, pl. IX: figs. 5–8 (`queketti') (lectotype locality: Le Croisic, Loire-Atlantique, France fide Lukas, 1974: 334).—De Toni & Forti, 1923: 93.— Lukas, 1974: 334.
Taxonomic synonym:
Ostreobium reineckei Bornet in Reinbold, 1896: 269 (type locality: Samoa).—Nadson, 1927: 1017.— S. Dixit, 1966: 6.— V. Krishnamurthy & H. Joshi, 1970: 9.— Hackett, 1977: 27.— Untawale, Dhargalkar, & Agadi, 1983: [15].
INDIAN OCEAN DISTRIBUTION: Australia, India, Maldives, Mauritius, Sri Lanka.
Note: The synonymy was proposed by Lukas (1974: 334).