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Tersella sainsburyi
Taxonomy
Hystricurus sainsburyi was named by Ross (1965) [Paratypes: USNM 144234-5. Questionably assigned to genus by author.]. Its type specimen is USNM 144233, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Lost River USGS D901 CO, which is in an Ordovician carbonate carbonate in Alaska.
It was recombined as Tersella sainsburyi by Adrain et al. (2003).
It was recombined as Tersella sainsburyi by Adrain et al. (2003).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Hystricurus sainsburyi Ross p. 18 figs. Pl. 8, figs. 1-3 |
| 2003 | Tersella sainsburyi Adrain et al. p. 562 |
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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.
†Tersella sainsburyi Ross 1965
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Fortey and Owens 1999 | |||||
Age range: base of the Early/Lower Ordovician to the top of the Llanvirn or 486.85000 to 458.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | USA (Alaska) | Hystricurus sainsburyi (type locality: 100357 100358 101846) | |
| Llanvirn | USA (Alaska) | Hystricurus sainsburyi (101853) |