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Murchisonia (Hormotoma) gracillima
Taxonomy
Murchisonia (Hormotoma) gracilis gracillima was named by Murchison (1859). It is a 3D body fossil.
It was recombined as Murchisonia (Hormotoma) gracillima by Peach et al. (1907); it was recombined as Hormotoma gracillima by Wagner (2023).
It was recombined as Murchisonia (Hormotoma) gracillima by Peach et al. (1907); it was recombined as Hormotoma gracillima by Wagner (2023).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Murchisonia (Hormotoma) gracilis gracillima Murchison pp. 379 - 380 figs. PI. XIII. figs. 7, 8 |
| 1907 | Murchisonia (Hormotoma) gracillima Peach et al. |
| 2023 | Hormotoma gracillima Wagner p. 1556 |
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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.
†Murchisonia (Hormotoma) gracillima Murchison 1859
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subg = subgenus, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: Tulean or 481.70000 to 475.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Stairsian - Tulean | United Kingdom (Scotland) | Murchisonia gracillima (188696) | |
| Tulean - Blackhillsian | United Kingdom (Scotland) | Murchisonia gracillima (188697 188715) |