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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Laevicyphomena
Taxonomy
Laevicyphomena was named as a genus. It is not extant.
It was reranked as Cyphomena (Laevicyphomena) by Cocks (1968).
It was assigned to Cyphomena by Cocks (1968); to Leptaenidae by Temple (1987); to Strophomenida by Sepkoski (2002); and to Furcitellinae by Williams et al. (2000), Cocks (2019).
It was reranked as Cyphomena (Laevicyphomena) by Cocks (1968).
It was assigned to Cyphomena by Cocks (1968); to Leptaenidae by Temple (1987); to Strophomenida by Sepkoski (2002); and to Furcitellinae by Williams et al. (2000), Cocks (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Cyphomena (Laevicyphomena) Cocks |
| 1987 | Laevicyphomena Temple p. 80 |
| 2000 | Laevicyphomena Williams et al. p. 230 |
| 2002 | Laevicyphomena Sepkoski |
| 2019 | Laevicyphomena Cocks p. 43 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Sheinwoodian or 432.90000 to 430.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | Canada (Nunavut) | L. sp. (26003 26009 26014) |