|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Spiriferida - Adolfiidae
It was recombined as Spirifera pinyonensis by Walcott (1884); it was recombined as Spirifer pinyonensis by Merriam (1940); it was recombined as Acrospirifer pinyonensis by Cooper (1944); it was recombined as Eurekaspirifer pinyonensis by Johnson (1966) and Johnson (1970).
|Year||Name and author|
|1870||Spirifer (Trigonotreta) pinonensis Meek p. 60|
|1877||Spirifer (Trigonotreta) pinonensis Meek p. 45 figs. Pl. 1, figs. 9, 9a, 9b|
|1884||Spirifera pinyonensis Walcott p. 138 figs. PI. 4, figs. 1c, 1e, 1f; not 1, 1a, 1b, 1d.|
|1940||Spirifer pinyonensis Merriam p. 54 figs. PI. 7, fig. 6; not figs. 3-5, 7, 8; not Pl. 6, fig. 3|
|1944||Acrospirifer pinyonensis Cooper p. 325 figs. Pl. 123, fig. 14|
|1966||Eurekaspirifer pinyonensis Johnson p. 1045 figs. PI. 128, figs. 1-15; PI. 129, figs. 1-11|
|1970||Eurekaspirifer pinyonensis Johnson pp. 207 - 208 figs. Pl. 65, figs. 1-15; PI. 66, figs. 1-12|
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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.