| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Perimecocoelia
Taxonomy
Perimecocoelia was named by Cooper (1956) [Sepkoski's age data: O Cara-l Sepkoski's reference number: 397]. Its type is Perimecocoelia semicostata.
It was assigned to Pentamerida by Sepkoski (2002); and to Camerellinae by Williams et al. (2002).
It was assigned to Pentamerida by Sepkoski (2002); and to Camerellinae by Williams et al. (2002).
Species
P. semicostata (type species)
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Perimecocoelia Cooper pp. 593 - 594 |
| 2002 | Perimecocoelia Sepkoski |
| 2002 | Perimecocoelia Williams et al. p. 952 |
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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: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Middle Ordovician to the top of the Ashbyan or 471.30000 to 449.60000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | USA (Tennessee) | P. sp. (319) | |
| Chazyan | USA (Alabama) | P. semicostata (162364) | |
| Ashbyan | USA (Alaska) | P. semicostata (164853) | |
| Ashbyan | USA (Virginia) | P. semicostata (197377) P. triangulata, P. semicostata (164296) |