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Uarthrus
Taxonomy
Uarthrus was named by Raasch (1939) [Sepkoski's age data: Cm Trep-u Sepkoski's reference number: 1031]. Its type is Uarthrus instabilis.
It was assigned to Merostomata by Sepkoski (2002); to Aglaspidida by van Roy (2006); and to Aglaspididae by Størmer (1955), Hesselbo (1992), Ortega-Hernandez et al. (2013), Lerosey-Aubril et al. (2017).
It was assigned to Merostomata by Sepkoski (2002); to Aglaspidida by van Roy (2006); and to Aglaspididae by Størmer (1955), Hesselbo (1992), Ortega-Hernandez et al. (2013), Lerosey-Aubril et al. (2017).
Species
U. instabilis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1939 | Uarthrus Raasch |
| 1955 | Uarthrus Størmer p. 12 |
| 1992 | Uarthrus Hesselbo p. 916 |
| 2002 | Uarthrus Sepkoski |
| 2006 | Uarthrus van Roy p. 330 figs. Table 1 |
| 2013 | Uarthrus Ortega-Hernandez et al. p. 17 |
| 2017 | Uarthrus Lerosey-Aubril et al. p. 11 |
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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 | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: Trempealeauan or 490.20000 to 486.85000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | USA (Wisconsin) | U. instabilis (210629 221016 221017) |