Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Allonia
Taxonomy
Allonia was named by Magallon-Puebla et al. (1996). Its type is Allonia decandra.
It was assigned to Hamamelidaceae by Magallon-Puebla et al. (1996).
It was assigned to Hamamelidaceae by Magallon-Puebla et al. (1996).
Species
A. decandra (type species)
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1996 | Allonia Magallon-Puebla et al. |
Is something missing? Join the Paleobiology Database and enter the data
|
|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
Reference | Diagnosis | |
---|---|---|
S. Magallon-Puebla et al. 1996 | Flowers actinomorphic, pentamerous, petals narrow, with parallel margins; two androecial whorls; stamens with a short, thin filament; anthers basifixed, tetrasporangiate, each theca opening by two valves; connective strongly elongate, forming a conical protrusion extending from the apex of the anther; pollen grains tricolpate, exine ornamentation reticulate, with tall muri and wide lumina. |