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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Calymene polgari
Taxonomy
Calymene polgari was named by Siveter and Chatterton (1996) [Calymene (s.l.)]. Its type specimen is UA 8324, a cephalon/head (cranidium), and it is a cast. Its type locality is Fauna j, Section AV1, Delorme Fm., Mackenzie Mts., which is in a Whitwellian slope limestone/shale in the Delorme Formation of Canada.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1996 | Calymene polgari Siveter and Chatterton p. 53 figs. Pl. 3, fig. 1, 4, 15, `8 |
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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.
†Calymene polgari Siveter and Chatterton 1996
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: g = genus, f = family, c = class | |||||
References: Aberhan et al. 2004, Hendy 2009, Harrington et al. 1959 |
Age range: base of the Whitwellian to the top of the Wenlock or 430.50000 to 427.40000 Ma
Collections (6 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Wenlock | Canada (Northwest Territories) | Calymene polgari (26059 26077) | |
Whitwellian | Canada (Northwest Territories) | Calymene polgari (type locality: 26035 26042 26048 26058) |