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Murchisonia obtusangula
Taxonomy
Murchisonia obtusangula was named by Lindström (1884). It is not a trace fossil.
It was recombined as Hormotoma obtusangula by Ulrich and Scofield (1897); it was recombined as Hormotoma obtusangulata by Grabau and Sherzer (1910); it was misspelled as Murchisonia obtusangulata by Baarli et al. (1999), Wagner (2023).
It was recombined as Hormotoma obtusangula by Ulrich and Scofield (1897); it was recombined as Hormotoma obtusangulata by Grabau and Sherzer (1910); it was misspelled as Murchisonia obtusangulata by Baarli et al. (1999), Wagner (2023).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Murchisonia obtusangula Lindström p. 128 figs. pl. 12 f. 7, not pl. 12 f. 11-12 |
| 1897 | Hormotoma obtusangula Ulrich and Scofield p. 1014 |
| 1910 | Hormotoma obtusangulata Grabau and Sherzer p. 174 |
| 1999 | Murchisonia obtusangulata Baarli et al. |
| 2023 | Murchisonia obtusangula Wagner p. S1875 |
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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 obtusangula Lindström 1884
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Diagnosis
No diagnoses are available