| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Picnotreta robusta
Taxonomy
Picnotreta robusta was named by Holmer et al. (1999) [Upper Middle to Upper Cambrian, Argentina and western Newfoundland; lower Upper Cambrian (Marjuman), western Canada]. Its type locality is LS 970, Los Sombreros section, western Argentina, which is in a St Davids slope packstone in the Los Sombreros Formation of Argentina.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1999 | Picnotreta robusta Holmer et al. p. 236 figs. 9A-N |
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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.
†Picnotreta robusta Holmer et al. 1999
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, uc = unranked clade | |||||
| References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Arcadian or 509.00000 to 498.40000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arcadian | Canada (Newfoundland and Labrador) | Picnotreta robusta (10768) | |
| St Davids | Argentina (Mendoza) | Picnotreta robusta (type locality: 55945) | |
| St Davids | Canada (Alberta) | Picnotreta robusta (49203) |