Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Extrania trigona
Taxonomy
Extrania trigona was named by Yang et al. (1993). It is not extant. Its type locality is Xiuzigou, bed 10b, which is in a Wangcunian/Guzhangian slope limestone/shale in the Xijiadian Formation of China.
Synonymy list
Year | Name and author |
---|---|
1993 | Extrania trigona Yang 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.
†Extrania trigona Yang et al. 1993
show all | hide all
Diagnosis
No diagnoses are available