-
Pachymatisma johnstonia is a
species of
sponge belonging to the
family Geodiidae. A
species of the north-eastern
Atlantic coasts, this is a
usually grey...
- genera,
including Dicroidiopsis, Diplasiophyllum, Zuberia, Xylopteris,
Johnstonia and Tetraptilon, but this is
rejected by
other authors. The
leaves of...
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variabilis Sycon ciliatum Sycon elegans Hymerhabdia typica Pachymatisma johnstonia Eurypon viride Eurypon clavatum Eurypon major Hymeraphia breeni Hymeraphia...
- Jacq.
Helinus E.Mey. ex Endl.
Johnstonalia Tortosa (originally
named Johnstonia; by some
treated as Gouania)
Pleuranthodes Weberb. –
synonym of Gouania...
- Iliad.
Hackett Publishing. ISBN 978-1-60384-367-6 – via
Google Books.
johnstonia home page (home page of Ian Johnston) 2006 (2nd ed.),
Richer Resources...
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areolata Bowerbank, 1872
Pachymatisma bifida Burton, 1959
Pachymatisma johnstonia (Bowerbank in Johnston, 1842)
Pachymatisma monaena Lendenfeld, 1907 Pachymatisma...
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Umkomasia ovulate structures Pteruchus pollen organs Dicroidium leaves Johnstonia leaves Komlopteris?
leaves Kurtziana?
leaves Pachypteris?
leaves Xylopteris...
- Thiele, 1899
Pachymatisma Bowerbank, 1864
Penares Gray, 1867
Pachymatisma johnstonia Geodia cydonium Geodia barretti "WoRMS -
World Register of
Marine Species...
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Hammerschmidtiella Chitwood, 1932 Jaid**** Jex, Schneider, Rose & Cribb, 2006
Johnstonia Basir, 1966
Leidynema Schwench, 1929
Leidynemella Chitwood & Chitwood...
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voltzialean conifer. Only
present in the
upper Valle de la Luna Member.
Johnstonia J.
coriacea San Juan
Leaves of a
corystosperm "seed fern". Some authors...