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Holtedahlina paraprostrata
Taxonomy
Holtedahlina paraprostrata was named by Jin and Zhan (2001). Its type specimen is MMMN I-2543b and is a 3D body fossil. Its type locality is MMMN 1-2543. Wright Site, west bank of Red River, ~300m south of Parkes Creek, which is in a Richmondian carbonate mudstone in the Red River Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Holtedahlina paraprostrata Jin and Zhan p. 35 figs. Pl. 8, figs. 5-8 |
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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.
†Holtedahlina paraprostrata Jin and Zhan 2001
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Jin and R.-b. Zhan 2001 | Relatively small, weakly biconvex shells of Holtedahlina with largely open delthyrium and notothyrium, subparallel dental plates, and small cardinal process extended posteriorly of hingeline. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
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 (Manitoba) | Holtedahlina paraprostrata (type locality: 166415) |