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Cancellaria birchi
Taxonomy
Cancellaria birchi was named by Addicott (1970).
Sister species lacking formal opinion data
C. acuta, C. ancycla, C. bifasciata, C. bifasciatum, C. contorta, C. druidarum, C. eucheea, C. euclethra, C. hartti, C. mitrodita, C. paramoorei, C. picta, C. pirabensis, C. praeindentata, C. pristina, C. sanctifrancisci, C. spherotopleura, C. springvalenensis, C. stibara, C. subtilicancellata, C. tritonoidea, C. waltoniana, C. yonabaruensis, C. zitteli, C. peninsularis, C. decussata, C. crassidiformis, C. atraktoides, C. sphenoidostoma
Synonymy list
Year | Name and author |
---|---|
1970 | Cancellaria birchi Addicott |
1976 | Cancellaria birchi Addicott p. 25 |
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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.
†Cancellaria birchi Addicott 1970
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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: Abbott and Dance 1986, Hendy et al. 2009, Kiessling 2004 |
Age range: base of the Chattian to the top of the Aquitanian or 28.10000 to 20.44000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Chattian | USA (Washington) | Cancellaria birchi (37577) | |
Aquitanian | USA (Washington) | Cancellaria birchi (203158) |