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Selkirkia fragilis
Taxonomy
Selkirkia fragilis was named by Walcott (1911). Its type specimen is USNM 57626 (Tube) and is a compression fossil.
It was recombined as Cambrorhytium fragilis by Conway Morris and Robison (1988).
It was recombined as Cambrorhytium fragilis by Conway Morris and Robison (1988).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1911 | Selkirkia fragilis Walcott pp. 120, 122 figs. plate 19, fig 8 |
| 1988 | Cambrorhytium fragilis Conway Morris and Robison p. 22 figs. Figure 16 |
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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.
†Selkirkia fragilis Walcott 1911
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Conway Morris and R. A. Robison 1988 | Tube with relatively low length to width ratio, transverse annulations usually obscure, originally organic composition. Soft parts not known. |