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Zygatrypa stenoparva
Taxonomy
Zygatrypa stenoparva was named by Boucot et al. (1988). Its type specimen is USNM 409982 and is a 3D body fossil. Its type locality is USNM loc. 12878, Red Amphitheatre, Funeral Mountains, which is in a Wenlock deep subtidal shelf dolomite in the Hidden Valley Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Zygatrypa stenoparva Boucot et al. p. 117 figs. Plate 8, figs. 11-28 |
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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 stenoparva Boucot et al. 1988
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. J. Boucot et al. 1988 | A relatively narrow and sometimes small species of Zygatrypa. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Meyer et al. 2009 | |||||
Age range: Sheinwoodian or 433.40000 to 430.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | Canada (Nunavut) | Zygatrypa stenoparva (26003 26009 26014) | |
| Wenlock | USA (California) | Zygatrypa stenoparva (type locality: 226732) |