| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sagdoidea
Taxonomy
Sagdoidea was named by Pilsbry (1895). It is extant.
It was assigned to Sigmurethra by Bouchet et al. (2005); and to Helicoidei by Bouchet et al. (2017).
It was assigned to Sigmurethra by Bouchet et al. (2005); and to Helicoidei by Bouchet et al. (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Sagdoidea Pilsbry |
| 2005 | Sagdoidea Bouchet et al. p. 268 |
| 2017 | Sagdoidea Bouchet et al. p. 366 |
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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.
Superfm. Sagdoidea Pilsbry 1895
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: Early/Lower Eocene or 55.80000 to 48.60000 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Eocene | USA (Wyoming) | Microphysula sp. (15081) |