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Kootenia quadriceps
Taxonomy
Dikelocephalus quadriceps was named by Hall and Whitfield (1877).
It was recombined as Dorypyge quadriceps by Dames (1884), Walcott (1889), Matthew (1897) and Mason (1935); it was recombined as Olenoides quadriceps by Walcott (1886), Walcott (1888) and Walcott (1890); it was misspelled as Dicellocephalus quadriceps by Walcott (1884); it was recombined as Kootenia quadriceps by Palmer (1954) and Sundberg (1994).
It was recombined as Dorypyge quadriceps by Dames (1884), Walcott (1889), Matthew (1897) and Mason (1935); it was recombined as Olenoides quadriceps by Walcott (1886), Walcott (1888) and Walcott (1890); it was misspelled as Dicellocephalus quadriceps by Walcott (1884); it was recombined as Kootenia quadriceps by Palmer (1954) and Sundberg (1994).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Dikelocephalus quadriceps Hall and Whitfield p. 240 figs. pi. 1, figs. 37-40 |
| 1884 | Dorypyge quadriceps Dames p. 23 |
| 1884 | Dicellocephalus quadriceps Walcott p. 45 figs. pi. 9, fig. 24 |
| 1886 | Olenoides quadriceps Walcott p. 187 figs. pi. 29, figs. 1, 1a-c |
| 1888 | Olenoides quadriceps Walcott p. 165 |
| 1889 | Dorypyge quadriceps Walcott p. 441 |
| 1890 | Olenoides quadriceps Walcott p. 646 figs. pi. 94, figs. 4, 4a-c |
| 1897 | Dorypyge quadriceps Matthew p. 186 |
| 1935 | Dorypyge quadriceps Mason p. 116 figs. Plate 15, figs. 18-22 |
| 1954 | Kootenia quadriceps Palmer p. 65 figs. Plate 14, figures 1-3 |
| 1994 | Kootenia quadriceps Sundberg pp. 29 - 31 figs. Figure 19 |
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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.
†Kootenia quadriceps Hall and Whitfield 1877
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1994 | Kootenia with pygidium having 6 pairs of moderately thick, short to moderate length spines; 4 axial rings; no axial nodes; moderately shallow pleural furrows; and wider border (10-15% pygidial length). Cranidium with parallel, concave axial furrows; short palpebral lobes (20-25% glabellar length). |