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Tonkinella breviceps
Taxonomy
Tonkinella breviceps was named by Kobayashi (1934).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Tonkinella breviceps Kobayashi pp. 300 - 301 figs. Figs. 2 - 6 |
| 1994 | Tonkinella breviceps Sundberg pp. 35 - 37 figs. Figure 24 |
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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.
†Tonkinella breviceps Kobayashi 1934
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. A. Sundberg 1994 | onkinella with up- turned anterior border on cranidium. Pygidium with smooth margin, moderate ro moderately shallow pleural furrows of unifom depth not reaching border, narrow posterior pleural segment, segment width 7-11.5% pygidial width, 3-5 axial rings. |