- structures, such as the bi****ual
williamsoniacean reproductive structure Williamsoniella,
which had a long,
narrow central receptacle which was
likely otherwise...
-
Genus Species County Member Abundance Notes Images Williamsoniella Williamsoniella karataviensis Bennettitales Weltrichia Weltrichia auliensis Ptilophyllum...
-
Wielandella (whole plant)
Williamsonia (female
reproductive structure)
Williamsoniella (bi****ual
reproductive structure)
Weltrichia (male
reproductive structure)...
- of Bennettitales.
Moved from
Williamsonia ****tzilopochtli Wieland.
Williamsoniella rosarensis Sp. nov
Velasco de León et al. Early-Middle Jur****ic Cualac...
-
Abundance Notes Images Anomozamites Bennetticarpus Cycadolepis Jacutiella Pteriophyllum Ptilophyllum Williamsonia Williamsoniella Zamiophyllum Zamites...
-
vittata from the
Middle Jur****ic of
England are ****ociated with bi****ual
Williamsoniella reproductive structures. Pott, Christian; Krings, Michael; Kerp, Hans...
- 1911), on the
structure of
Cycadean fronds, on new genera, e.g., '
Williamsoniella' (Phil Trans, 1915); the Caytoniales, a
paper of
exceptional importance...
