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Hormotoma teretiformis
Taxonomy
Murchisonia teretiformis was named by Billings (1857). It is not a trace fossil.
It was recombined as Hormotoma teretiformis by Twenhofel (1928) and Wagner (2023).
It was recombined as Hormotoma teretiformis by Twenhofel (1928) and Wagner (2023).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Murchisonia teretiformis Billings |
| 1866 | Murchisonia teretiformis Billings p. 18 |
| 1897 | Murchisonia teretiformis Ulrich and Scofield p. 1014 |
| 1928 | Hormotoma teretiformis Twenhofel p. 243 |
| 2023 | Hormotoma teretiformis Wagner p. 4336 |
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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.
†Hormotoma teretiformis Billings 1857
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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, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Richmondian or 449.60000 to 445.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Richmondian | Canada (Quebec) | Hormotoma teretiformis (63675) |