Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Atrypina simpsoni
Taxonomy
Atrypina simpsoni was named by Johnson (1970). Its type specimen is USNM 157073, a valve, and it is a 3D body fossil. Its type locality is USNM 10758. Big ledge, east flank and near mouth of Coal Canyon, which is in a Siegen carbonate limestone in the Windmill Limestone Formation of Nevada.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1970 | Atrypina simpsoni Johnson pp. 159 - 160 figs. Pl. 43, figs. 5-16 |
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.
†Atrypina simpsoni Johnson 1970
show all | hide all
Diagnosis
Reference | Diagnosis | |
---|---|---|
J. G. Johnson 1970 | Small pentagonal Atrypina with a nearly straight hinge line and lacking a median rib on the fold of the pedicle valve. |