| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Alaionema
Taxonomy
Alaionema was named by Gubanov et al. (1995) [Sepkoski's age data: D Sieg D Emsi]. It is not extant.
It was assigned to Gyronematinae by Gubanov et al. (1995); to Archaeogastropoda by Sepkoski (2002); and to Euomphalidae by Wagner (2023).
It was assigned to Gyronematinae by Gubanov et al. (1995); to Archaeogastropoda by Sepkoski (2002); and to Euomphalidae by Wagner (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Alaionema Gubanov et al. |
| 2002 | Alaionema Sepkoski |
| 2023 | Alaionema Wagner p. G489 |
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.
G. †Alaionema Gubanov et al. 1995
show all | hide all
†Alaionema crenulatum Meek 1871
†Alaionema kyrgyzensis Gubanov et al. 1995
†Alaionema laudabilis Perner 1903
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|||||
|
|
||||
| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pragian | Kyrgyzstan | A. kyrgyzensis (3559) | |
| Pragian | Czechia (Bohemia) | Polytropis laudabilis (104794) | |
| Eifelian | USA (Ohio) | Cyclonema crenulatum (129948 130152) | |
| Givetian | USA (New York) | Cyclonema crenulata (89708) |