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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Parkaspis drumensis
Taxonomy
Parkaspis drumensis was named by Sundberg (1994). Its type specimen is LACMIP 11749, a cephalon/head, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Parkaspis drumensis Sundberg pp. 43 - 46 figs. Figure 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.
†Parkaspis drumensis Sundberg 1994
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1994 | Parkaspis with cranidium with slightly expanding frontal lobe (110-120%), non- recurved posterior area of fixigenae, convex ante- rior border. Pygidium with short sagittal length (50- 60% width), moderately tapering axis, no axial nodes, short pygidial spines. Smooth exoskeleton. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Delamaran or 509.70000 to 505.30000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Delamaran | USA (Nevada) | Parkaspis drumensis (134248 134249 134251 134252 134253 134254 134255) | |
| Delamaran | USA (Utah) | Parkaspis drumensis (10565 134068 134069 134070 134111 134112 134113 134114 134115 134116 134117) |