-
Indicating the
prior contact of two
spores that
eventually separated. In
trilete spores, each
spore shows three narrow lines radiating from a
center pole...
- with only a few
forms persisting into the
Emsian period. In contrast,
trilete monads began diversifying around 430 Ma in the
latter Silurian Period and...
-
sporangium bearing trilete spores. Such
spores provide the
earliest evidence of life on land. Green: A
spore tetrad. Blue: A
spore bearing a
trilete mark – the...
- a
resistant wall, thus don't bear
trilete marks. A
close examination of
algal spores shows that none have
trilete spores,
either because their walls...
-
Creer 1973 Jane Gray; S. Laufield;
Arthur J.
Boucot (1974), "Silurian
trilete spores and
spore tetrads from Gotland:
their implications for land plant...
- with 64 microspores.
Spores are of two
kinds and sizes, both globose,
trilete.
Megagametophytes and
microgametophytes protruding through sporangium wall;...
- late Dienerian, a
major shift towards ****emblages
dominated by
cavate trilete spores took place,
heralding widespread deforestation and a
rapid change...
-
their outer walls, from Turkey,
Saudi Arabia and Argentina.
Individual trilete spores resembling those of
modern cryptogamic plants and
vascular plants...
- glabrous,
opposite and
entire leaves, some 2.5 cm long.
Fruit spherical and
trilete,
crowned by the 3
persistent styles or horns. The species'
commercial value...
- 1502-3931.2010.00251.x. McGregor, DC; Narbonne, GM (1978). "Upper
Silurian trilete spores and
other microfossils from the Read Bay Formation,
Cornwallis Island...
