Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Malvacipollis argentina
Taxonomy
Malvacipollis argentina was named by Zamaloa and Romero (1990) [Botanical affinity: Malvaceae]. It is considered to be a form taxon. It is a 3D fossil preserving soft parts. Its type locality is Alfa dell, which is in an Eocene estuary/bay sandstone in the Cullen Formation of Argentina.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1990 | Malvacipollis argentina Zamaloa and Romero |
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.
†Malvacipollis argentina Zamaloa and Romero 1990
show all | hide all
Diagnosis
Reference | Diagnosis | |
---|---|---|
Zamaloa and Romero 1990 | Pollen grain subspherical, isopolar, amb circular, triporate. Exine tectate, equinate. Nexine ca. 1 Igm thick, up to 3.5 gm thick around the pores. Sexine about 1 gm or slightly thicker, with densely packed columellae. Spines are 2-3.5 gm long, and 1.5-2.5 gm in basal diame- ter. Spines have a convex-cylindrical base, a constriction in the middle, and pointed, occasionally curved, tips. Pores circular, non-aspidate. Equatorial diameter exclusive of spines 30-42 jm (12 specimens measured). |