| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sphaeragnostidae
Taxonomy
Sphaeragnostidae was named by Kobayashi (1939). It is not extant.
It was assigned to Agnostida by Whittington et al. (1997).
It was assigned to Agnostida by Whittington et al. (1997).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Sphaeragnostidae Kobayashi p. 177 |
| 1997 | Sphaeragnostidae Whittington et al. p. 381 |
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.
Fm. †Sphaeragnostidae Kobayashi 1939
show all | hide all
G. †Sphaeragnostus Cooper and Kindle 1936
hide
†Sphaeragnostus cingulatus Olin 1906
†Sphaeragnostus gaspensis Cooper and Kindle 1936
†Sphaeragnostus similaris Barrande 1872
Diagnosis
No diagnoses are available