| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Kathleenella
Taxonomy
Kathleenella was named by Ludvigsen (1982) [Sepkoski's age data: Cm Trep-l Cm Trep-u Sepkoski's reference number: 697]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Ptychaspididae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Ptychaspididae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Kathleenella Ludvigsen |
| 2002 | Kathleenella Jell and Adrain p. 391 |
| 2002 | Kathleenella Sepkoski |
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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, o = order, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy et al. 2009 | |||||
Age range: base of the Trempealeauan to the top of the Sunwaptan or 490.20000 to 488.90000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sunwaptan | USA (Oklahoma) | Euptychaspis frontalis (190350) | |
| Sunwaptan | Canada (Alberta) | K. frontalis (54093 81305) | |
| Sunwaptan | Canada (Newfoundland and Labrador) | K. maritima (81270 81271 81272) | |
| Trempealeauan | Canada (Yukon) | K. hamulata (55308) K. subula (55285 55310 55311 55312) | |
| Trempealeauan | USA (Texas) | Euptychaspis frontalis (216017 216018) |