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Hormotoma gracilens
Taxonomy
Murchisonia gracilens was named by Whitfield (1889). It is not a trace fossil. Its type locality is Division D Beds, "Ophileta beds", Section northeast of Shoreham, which is in a Stairsian carbonate limestone/dolomite in the Fort Ann Formation of Vermont.
It was recombined as Hormotoma gracilens by Ulrich and Scofield (1897) and Wagner (2023).
It was recombined as Hormotoma gracilens by Ulrich and Scofield (1897) and Wagner (2023).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Murchisonia gracilens Whitfield pp. 53 - 54 figs. pl. 8 f. 14-15 |
| 1897 | Hormotoma gracilens Ulrich and Scofield p. 1014 |
| 2023 | Hormotoma gracilens Wagner p. 4316 |
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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 gracilens Whitfield 1889
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subg = subgenus, o = order | |||||
| References: Aberhan et al. 2004, Bambach et al. 2007, Hendy 2009 | |||||