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Simplicisulcus arthurtonensis
Taxonomy
Neospirifer arthurtonensis was named by Waterhouse (1968). Its type specimen is NZGS BR 521, a valve (Ventral valve internal mold), and it is a mold. Its type locality is GS5079, Arthurton (G45/f8613), which is in a Wuchiapingian marine horizon in the AG4 Formation of New Zealand.
It was recombined as Trigonotreta arthurtonensis by Hyden et al. (1982); it was recombined as Simplicisulcus arthurtonensis by Waterhouse (2002), Waterhouse (2004).
It was recombined as Trigonotreta arthurtonensis by Hyden et al. (1982); it was recombined as Simplicisulcus arthurtonensis by Waterhouse (2002), Waterhouse (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Neospirifer arthurtonensis Waterhouse p. 28 figs. Pl 2, figs 14,15; pl 3, figs 1-9; pl 17, figs 1,3; text-figs 7C,D,9A,10-13 |
| 1976 | Neospirifer arthurtonensis Waterhouse p. 244 fig. 6.5,7.7 |
| 1982 | Trigonotreta arthurtonensis Hyden et al. fig. 5 |
| 2002 | Simplicisulcus arthurtonensis Waterhouse |
| 2004 | Simplicisulcus arthurtonensis Waterhouse |
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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.
†Simplicisulcus arthurtonensis Waterhouse 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | New Zealand (Southland) | Neospirifer arthurtonensis (39923 39924 39925 39928 39929 41768 41771 type locality: 41772) | |
| Wuchiapingian - Changhsingian | New Zealand (Southland) | Neospirifer arthurtonensis (41794) | |
| Changhsingian | New Zealand | Trigonotreta arthurtonensis (98149) |