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Cyrtodontula compressa
Taxonomy
Whitella compressa was named by Ulrich (1890) [DISTRIBUTION: Middle Ordovician.]. It is not a trace fossil.
It was recombined as Cyrtodontula compressa by Soot-Ryen and Soot-Ryen (1960).
It was recombined as Cyrtodontula compressa by Soot-Ryen and Soot-Ryen (1960).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1890 | Whitella compressa Ulrich p. 180 |
| 1960 | Cyrtodontula compressa Soot-Ryen and Soot-Ryen p. 99 |
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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.
†Cyrtodontula compressa Ulrich 1890
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Chatfieldian to the top of the Cautleyan or 453.80000 to 448.80000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chatfieldian | Canada (Ontario) | Whitella compressa (26277) | |
| Pusgillian - Cautleyan | Norway (Ringerike) | Cyrtodontula compressa (194671) |