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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Zygatrypa exigua
Taxonomy
Rhynchonella exigua was named by Lindström (1861). It is not extant.
It was recombined as Zygatrypa exigua by Copper (2004).
It was recombined as Zygatrypa exigua by Copper (2004).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1861 | Rhynchonella exigua Lindström |
| 2004 | Zygatrypa exigua Copper pp. 32 - 33 figs. Plate 1A, figs. a–l; Fig. 11 |
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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.
†Zygatrypa exigua Lindström 1861
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Meyer et al. 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Telychian to the top of the Sheinwoodian or 438.50000 to 430.50000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Telychian | Sweden (Gotland) | Rhynchonella exigua (192342) | |
| Telychian - Sheinwoodian | Sweden (Gotland) | Rhynchonella exigua (13523 13674) | |
| Sheinwoodian | Sweden (Gotland) | Rhynchonella exigua (13524 13675) |