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Parastrophinella cirrita
Taxonomy
Parastrophinella cirrita was named by Jin and Zhan (2001). Its type specimen is GSC 117778 and is a 3D body fossil. Its type locality is GSC loc. C-205935. Garson Quarry, which is in a Maysvillian carbonate limestone in the Red River Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Parastrophinella cirrita Jin and Zhan pp. 43 - 45 figs. Pl. 14, figs. 14-18; Pl. 22, figs. 3, 4; Fig. 21 |
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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.
†Parastrophinella cirrita Jin and Zhan 2001
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Jin and R.-b. Zhan 2001 | Small shells of Parastrophinella with short, sparse costae near anterior margin. Shell wall composed of outer lamellar layer and inner fibrous layer. Median septum in both valves poorly developed. Spondylium sessile posteriorly. Cruralium narrow, sessile anteriorly. Alate plates long and wide. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009 | |||||
Age range: Maysvillian or 450.20000 to 449.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maysvillian | Canada (Manitoba) | Parastrophinella cirrita (type locality: 166398) |