| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polonoconchus
Taxonomy
Polonoconchus was named by Zaton and Krawczynski (2011). It was considered monophyletic by Zaton and Krawczynski (2011).
It was assigned to Microconchida by Zaton and Krawczynski (2011).
It was assigned to Microconchida by Zaton and Krawczynski (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Polonoconchus Zaton and Krawczynski |
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.
G. †Polonoconchus Zaton and Krawczynski 2011
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Zaton and W. Krawczynski 2011 | Small, planispiral calcitic tube, dextrally coiled
(clockwise), tube diameter increasing evenly, leaving the umbilicus opened. Tube cemented to the substrate with its entire length, producing lateral basal projections. Tube exterior ornamented by longitudinal, somewhat wavy and thin striae, and transverse, robust ribs widening distally. It differs from the rest of Paleozoic genera by having an elaborated ornamentation with distally enlarging ribs. From the Jurassic Punctaconchus it differs in lacking punctae. |
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections
No collection or age range data are available