
Family Chordariaceae.
†Myriogloia Kuck.
†Myriogloia chorda (J. Ag.) Kuck.; J. Ag. (1877), p. 4; Levr. (1939), p. 44 [=Myriocladia chorda J. Ag.].
Shorter than the following species and inhabits rocks higher up in the littoral.
Loc. distr.: Northern N.Z. Endemic.
Type loc.: Auckland.
*Myriogloia lindauerii Kylin (1940), p. 12; V. W. L. (1939), I, No. 6, as M. sciurus (Harv.) Kuck.
Plants long, lubricous, mostly simple, rat-tail-like or worm-like, clothed with very fine macroscopic radiating filaments. The Australian species, M. sciurus, differs very little from the N.Z. plant.
Loc. distr.: Almost anywhere along the coasts at about neap-tide level. Missing in winter. Endemic.
Type loc.: Bay of Islands.
*Papenfussiella Kylin.
*Papenfussiella lutea Kylin (1940), p. 19; V. W. L. (1940), IV, No. 86, as Myriogloia lutea Lindr. sp. ined.
Plant lubricous, much-branched, yellowish or greenish, axis terete, clothed with conspicuous filaments.
In shallows and in the sublittoral fringe. Summer. A coarser plant, which may be a new species, is found from Taranaki to Stewart Island.
Loc. distr.: Bay of Islands, North Auckland, and southwards
Type loc.: Motu Maire, Paihia.
*Tinocladia Kylin.
*Tinocladia novae-zelandiae Kylin (1940), p. 34; V. W. L. (1946), IX, No. 204.
Plants brownish, very slimy and flaccid, more or less branched; radiating filaments not macroscopically visible; in shallows and in the sublittoral fringe, always submerged. Common locally. Larger and much more straggly plants from the south may represent a new species.
Loc. distr.: Auckland (L. M. Cranwell); Rangiputa, Far North, Bay of Islands, Taranaki, Wellington, Kaikoura, Stewart Island (V. W. L.). Endemic. Summer only.
Type loc.. Narrow Neck Reef, Auckland.
Chordaria C. Ag.
*Chordaria dictyosiphon (Harv.) Kuetz.; Kylin (1940), p. 40; V. W. L. (1946), VIII, No. 183.
Blackish, very slimy, and flaccid much-branched plants growing in the lower littoral, regularly emerging at each low tide, often associated with Hormosira. Prefers muddy shores. Summer only.
Loc. distr.: Kaikoura (V. W. L.); Banks Pen. (Laing); Stewart Is. (Mrs. Willa, V. W. L.); Chathams (R. Gilpin).
Geogr. distr.: Australia, Tasmania, N.Z.
Type loc.: Port Fairy, Victoria, Australia.

*Caepidium J. Ag.
*Caepidium antarcticum J. Ag. (1880–81), p. 58; Skottsbg. (1907), p. 40, and (1921), p. 27; Kylin (1940), p. 42.
Erect fronds small, Chordaria-like, arising from a branched prostrate frond which also develops Colpomenia-like bladders.
Loc. distr.: Campbell Is., v. Levring (1945), p. 9.
Geogr. distr.: Fuegia, Falkland Is., S. Georgia, Kerguelen, Campbell Is.
Type loc.: Falkland Is.
