Acrocarpus ramellosus Kützing, 1843b: 405 (type locality: Western Australia).—Sonder, 1848 [1846–1848]: 174.— Kützing, 1849: 762.— J. Agardh, 1851 [1851–1863]: 476–477.— Kützing, 1868: 12, pl. 34: figs. d–g.— De Toni, 1924: 164.
Gelidium ramellosum (Kützing) Trevisan, 1845: 17.—Sonder, 1880: 26.
Gelidium corneum (Hudson) Lamouroux var. ramellosum (Kützing) Harvey, 1863: xxxv.
Gelidiella ramellosa (Kützing) J. Feldmann & G. Hamel, 1934: 533–534.—V. May, 1965: 374.— Womersley & Guiry, 1994: 121–122, figs. 34A–C.
INDIAN OCEAN DISTRIBUTION: Australia.
Note: According to Sonder (1848 [1846–1848]: 174), the invalid name Acropeltis lateralis, applied by Kützing (1843b: 373) to a host of Callithamnion spinescens Kützing (q.v.), refers to Gelidiella ramellosa.