|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Yoldia (Kalayoldia) oregona
Bivalvia - Protobranchia - Yoldiidae
It was recombined as Nuculana oregona by Meek (1864); it was recombined as Neilo oregona by Conrad (1865); it was recombined as Yoldia (Cnesterium) oregona by Dall (1909); it was recombined as Yoldia oregona by Grant and Gale (1931); it was recombined as Yoldia (Portlandia) oregona by Weaver (1942); it was recombined as Yoldia (Kalayoldia) oregona by Moore (1976) and Coan et al. (2000).
|Year||Name and author|
|1858||Leda oregona Shumard|
|1864||Nuculana oregona Meek pp. 5, 27|
|1865||Neilo oregona Conrad p. 153|
|1909||Yoldia (Cnesterium) oregona Dall p. 105 figs. pl. 19, fig. 4|
|1931||Yoldia oregona Grant and Gale p. 130|
|1942||Yoldia (Portlandia) oregona Weaver p. 49|
|1976||Yoldia (Kalayoldia) oregona Moore p. 44|
|2000||Yoldia (Kalayoldia) oregona Coan et al. p. 113|
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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.