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Zacanthopsis
Taxonomy
Zacanthopsis was named by Resser (1938) [Sepkoski's age data: Cm Tojo Cm uMid-l Sepkoski's reference number: 81]. It is not extant.
It was assigned to Zacanthoididae by Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).
It was assigned to Zacanthoididae by Jell and Adrain (2002); and to Corynexochida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Zacanthopsis Resser |
| 2002 | Zacanthopsis Jell and Adrain p. 463 |
| 2002 | Zacanthopsis Sepkoski |
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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.
G. †Zacanthopsis Resser 1938
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†Zacanthopsis contractus Palmer 1964
†Zacanthopsis expansa Fritz 1991
†Zacanthopsis stribuccus Fritz 1972
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Hendy 2009 | |||||
Age range: base of the Dyeran to the top of the Middle Cambrian or 515.30000 to 497.00000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Canada (Northwest Territories) | Z. stribuccus (156194 156201 156202) | |
| Cambrian | Canada (British Columbia) | Z. sp. (186) | |
| Dyeran | Greenland (Freuchen Land) | Z. sp. (50036) | |
| Dyeran | Canada (Yukon Territory) | Z. expansa (156223 156224) | |
| Dyeran | Canada (British Columbia) | Z. sp. (196) | |
| Dyeran | USA (Nevada) | Z. contractus (96417) Z. levis (155973 155975 155976) Z. sp. (10568 156372) | |
| Dyeran | USA (California) | Z. n. sp.1 (10630) | |
| Middle Cambrian | Greenland | Z. blakeri (193552 193553 193554 193555) |