| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Crossiskenidium
Taxonomy
Crossiskenidium is a genus. It is not extant.
It was assigned to Orthida by Sepkoski (2002); and to Skenidiidae by Williams et al. (2000), Benedetto (2003).
It was assigned to Orthida by Sepkoski (2002); and to Skenidiidae by Williams et al. (2000), Benedetto (2003).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Crossiskenidium Williams et al. p. 712 |
| 2002 | Crossiskenidium Sepkoski |
| 2003 | Crossiskenidium Benedetto |
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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: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Castlemainian to the top of the Yapeenian or 471.30000 to 469.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenigian | Argentina | C. stelzneri (115170) | |
| Castlemainian - Yapeenian | Ireland | C. spinosum, C. lamellosum (153922) |