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Kathwaia
Taxonomy
Kathwaia was named by Grant (1966) [Sepkoski's age data: P Guad-u P Djhu Sepkoski's reference number: 624]. Its type is Kathwaia capitorosa.
It was assigned to Trilobita by Grant (1966); to Proetidae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Bollandiinae by Owens (2003).
It was assigned to Trilobita by Grant (1966); to Proetidae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Bollandiinae by Owens (2003).
Species
K. capitorosa (type species), K. girtyi
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Kathwaia Grant p. 69 |
| 2002 | Kathwaia Jell and Adrain p. 391 |
| 2002 | Kathwaia Sepkoski |
| 2003 | Kathwaia Owens p. 380 |
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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.
G. †Kathwaia Grant 1966
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†Kathwaia capitorosa Grant 1966
†Kathwaia girtyi Tumanskaya 1935
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. E. Grant 1966 | Cephalon semicircular in outline, genal spines absent. Glabella inflated, protruding anterior to border, with two small but prominent lateral pre-occipital lobes. Eyes small, near mid-length of cephalon. Thorax with nine segments. Pygidium short, with border but no border furrow. Ornamentation granular, present on all parts but strongest on cephalon. |
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, Fortey and Owens 1999 | |||||
Age range: base of the Asselian to the top of the Wuchiapingian or 298.90000 to 254.17000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Greece | K. sp. (120899) | |
| Roadian | Ukraine | Proetus girtyi (119279) | |
| Wuchiapingian | Pakistan (Punjab) | K. capitorosa (42894) |