Fucus constrictus Turner, 1809–1811: 39–40, pl. 152 (type locality: Kent Islands, Bass Strait, Australia).
Polyopes constrictus (Turner) J. Agardh, 1851 [1851–1863]: 239.—Sonder, 1880: 13.— Lucas, 1909: 54.— Weber-van Bosse, 1921: 244.— V. May, 1965: 405.— Chiang, 1970: 40–45, figs. 18, 19, pl. 8b.— Bolton, 1986: 253.— Seagrief, 1988: 54, fig. 5:9.— Farrell, Critchley, & Aken, 1993: 153.
Taxonomic synonym:
* Sphaerococcus microcarpus C. Agardh, 1822 [1822–1823]: 255 (type locality: Western Australia).—C. Agardh, 1824: 218.
Chondrus microcarpus (C. Agardh) Greville, 1830: lv.—Kützing, 1849: 737–738.
Prionitis microcarpa (C. Agardh) J. Agardh, 1851 [1851–1863]: 187.—Harvey, 1863: xlvii.— J. Agardh, 1876: 157–158.— Sonder, 1880: 14.— De Toni, 1905: 1587.— Lucas, 1909: 54.— V. May, 1965: 406.
Zanardinula microcarpa (C. Agardh) De Toni fil., 1936a: [7].
INDIAN OCEAN DISTRIBUTION: Australia, Indonesia (Lombok), South Africa.
Note: The synonymy was implied by Kylin (1956: 221) and confirmed by Womersley & J. Lewis (1994: 176).