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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Zacompsus
Taxonomy
Zacompsus was named by Raymond (1924) [Sepkoski's age data: Cm Trep]. It is not extant.
It was assigned to Trilobita by Sepkoski (2002); and to Alsataspididae by Jell and Adrain (2002).
It was assigned to Trilobita by Sepkoski (2002); and to Alsataspididae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Zacompsus Raymond |
| 2002 | Zacompsus Jell and Adrain p. 463 |
| 2002 | Zacompsus 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: base of the Dolgellian to the top of the Tremadocian or 492.50000 to 477.70000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sunwaptan | Canada (Newfoundland and Labrador) | Z. orientalis (81269 81270 81271) | |
| Dolgellian | Canada (Quebec) | Z. clarki (8933) | |
| Trempealeauan | Canada (Yukon) | Z. occidentalis (55285 55310 55311) | |
| Trempealeauan | USA (Nevada) | Z. clarki (203998) | |
| Tremadocian | Canada (Yukon) | Z. occidentalis (55315) | |
| Tremadocian | Canada (Newfoundland) | Z. sp. (198242) |