Note: Nemastomataceae Schmitz (in Engler 1892: 22) has been conserved against Gymnophlaeaceae Kützing (1843b: 389, 390), which was shown by P. Silva (1980b: 83–84) to be the earliest name for this family (see P. Silva, 1993b: 708).
Note: Adelophycus Kraft (in Womersley & Kraft, 1994: 271) is a new name for Adelophyton Kraft (1975: 280), a later homonym of Adelophyton Renault 1900, a genus of fossil Lepidophyta.
Chaetangium corneum J. Agardh, 1899: 106–107 (type locality: Port Elliot, South Australia).
Adelophyton corneum (J. Agardh) Kraft, 1975: 280–287, figs. 1–22 (including Indian Ocean record).—Huisman & Walker, 1990: 399.
Adelophycus corneus (J. Agardh) Kraft in Womersley & Kraft, 1994: 272–273, figs. 85D,E, 86A.
INDIAN OCEAN DISTRIBUTION: Australia.