| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cyrtosymbole (Cyrtosymbole) playfordi
Taxonomy
Cyrtosymbole (Cyrtosymbole) playfordi was named by Feist and Becker (1997). Its type specimen is GSWA- F49820, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Bed 17. Sprite Ridge, near Bob's Bore in Virgin Hills, which is in a Famennian reef, buildup or bioherm limestone in the Virgin Hills Formation of Australia.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Cyrtosymbole (Cyrtosymbole) playfordi Feist and Becker pp. 240 - 241 figs. P1.2, figs. 8 -14 |
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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.
†Cyrtosymbole (Cyrtosymbole) playfordi Feist and Becker 1997
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. Feist and T. Becker 1997 | Species of C. (Cyrtosymbole) with the following particular features: cephalon with posteriorly shifted, large palpebral lobes extending beyond exsagittal projection of ~ turning-point ; eyes high with large visual surface; straight posterior portion of suture short; pygidium with narrow, high axis; postero-lateral margins with broad, moderately inflated border defined by continuous shallow border furrow. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fortey and Owens 1999, Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: Middle Famennian or 370.60000 to 364.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Famennian | Australia (Western Australia) | Cyrtosymbole playfordi (type locality: 223580) |