| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spiroecus
Taxonomy
Stephanocosmia (Spiroecus) was named by Longstaff (1924) [Sepkoski's age data: O Ashg-m]. It is not extant. Its type is Spiroecus girvanensis.
It was reranked as Spiroecus by Knight et al. (1960), Sepkoski (2002) and Wagner (2023).
It was assigned to Stephanocosmia by Longstaff (1924); to Loxonematidae by Knight et al. (1960); to Neotaenioglossa by Sepkoski (2002); and to Omospirinae by Wagner (2023).
It was reranked as Spiroecus by Knight et al. (1960), Sepkoski (2002) and Wagner (2023).
It was assigned to Stephanocosmia by Longstaff (1924); to Loxonematidae by Knight et al. (1960); to Neotaenioglossa by Sepkoski (2002); and to Omospirinae by Wagner (2023).
Subtaxa
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Stephanocosmia (Spiroecus) Longstaff |
| 1924 | Katospira (Girvania) Longstaff p. 430 |
| 1960 | Girvania Knight et al. p. 311 |
| 1960 | Spiroecus Knight et al. p. 311 |
| 2002 | Girvania Sepkoski |
| 2002 | Spiroecus Sepkoski |
| 2023 | Spiroecus Wagner p. G379 |
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. †Spiroecus Longstaff 1924
show all | hide all
†Spiroecus excavata Longstaff 1924
†Spiroecus girvanensis Longstaff 1924
†Spiroecus nidhoeggi McNamara 1978
Invalid names: Girvania Longstaff 1924 [synonym]
Diagnosis
No diagnoses are available