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Lophospira major
Taxonomy
Murchisonia major was named by Hall (1852). It is not a trace fossil.
It was recombined as Lophospira major by Ulrich and Scofield (1897); it was recombined as Hormotoma major by Wilson (1951).
It was recombined as Lophospira major by Ulrich and Scofield (1897); it was recombined as Hormotoma major by Wilson (1951).
Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Murchisonia major Hall p. 209 figs. pl. 26 f. 1a-c |
| 1897 | Lophospira major Ulrich and Scofield p. 963 figs. pl. 71 f. 5-7 |
| 1951 | Hormotoma major Wilson p. 41 figs. pl. 7 f. 13-14; text f. 2.7 |
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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.
†Lophospira major Hall 1852
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Bambach et al. 2007, Aberhan et al. 2004 | |||||
Age range: Edenian or 451.00000 to 450.20000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Shermanian | Canada (Ontario) | Hormotoma major (26272) | |
| Shermanian | USA (Illinois, Iowa) | Hormotoma major (23659 23664 23667 23668 23670) | |
| Shermanian | USA (Minnesota) | Hormotoma major (23579 23584) | |
| Katian | Canada (Quebec) | Hormotoma major (185487) | |
| Edenian | USA (Minnesota) | Hormotoma major (23588 23597) | |
| Edenian | USA (Illinois, Iowa) | Hormotoma major (23678 23679 23680) |