| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Shuangheella
Taxonomy
Shuangheella was named by Zhan et al. (2013).
It was assigned to Rafinesquininae by Zhan et al. (2013).
It was assigned to Rafinesquininae by Zhan et al. (2013).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Shuangheella Zhan et al. pp. 1136 - 1138 |
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 | |
|---|---|---|
| R. Zhan et al. 2013 | Shell plano-convex to gently concavo-convex, evenly multicostellate. Dental plates weak or absent. Ventral muscle field lacking bounding ridges. Cardinalia Type-B; bilobed cardinal process projecting anteroventrally; socket ridges extending antero-laterally; dorsal muscle field inverted subtriangular. |