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Taxonomy
Triarthrus thor was named by Fortey (1974). Its type specimen is SMA 84109, a cephalon/head (cranidium), and it is a 3D body fossil.
It was recombined as Porterfieldia thor by Ludvigsen and Tuffnell (1983).
It was recombined as Porterfieldia thor by Ludvigsen and Tuffnell (1983).
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Triarthrus thor Fortey p. 72 figs. Pl. 23, figs. 12, 15, 16 |
| 1983 | Porterfieldia thor Ludvigsen and Tuffnell p. 573 |
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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.
†Porterfieldia thor Fortey 1974
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Whittington et al. 1997 | |||||
Collections
No collection or age range data are available