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Sinosymbole guangxiensis
Taxonomy
Cyrtosymbole (Cyrtosymbole) guangxiensis was named by Zhu (1988) [Zhu in Yu et al. 1988]. Its type specimen is 34/709-17/ 105849, a cephalon/head (cranidium), and it is a 3D body fossil. It is the type species of Sinosymbole.
It was recombined as Sinosymbole guangxiensis by Yuan and Xiang (1998).
It was recombined as Sinosymbole guangxiensis by Yuan and Xiang (1998).
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Cyrtosymbole (Cyrtosymbole) guangxiensis Zhu pp. 203 - 204 figs. pl 50, figs. 6, 10, non figs. 7-9 |
| 1998 | Sinosymbole guangxiensis Yuan and Xiang pp. 142 - 144 figs. pl. 23, figs.7-9; text-fig 47 |
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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.
†Sinosymbole guangxiensis Zhu 1988
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Yuan and L.-W. Xiang 1998 | Type species of Sinosymbole gen. nov. with the following features : Cranidium moderately vaulted, with nearly straight anterior margin; glabella truncated conical, broadly rounded anteriorly, with 3 pairs of lateral glabellar furrows, of which the S 1 is extremely deeply incised and isolated from the dorsal furrows; occipital furrow deepened and broadened behind L 1, shallowing and obsolete near dorsal furrow; anterior border broad and flat, with 1-2 disco ntinuous terrace lines; palpebral lobe short, strongly projecting outwards , raised high above cheek area; sculpture on the surface of cranidium consists of fine sparsely distributed granules and short undulated crests except for the area around glabellar furrows; pygidium moderately vaulted; axis narrow and long, with 13 axial rings and a short postaxial ridge; pleural lobe broad (tr.), with 11-12 pleural ribs; sculpture on the surface of pygidium consists of fine loosely spaced granules. |
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: Late/Upper Famennian or 364.70000 to 360.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | China (Guangxi) | Sinosymbole guangxiensis (229268) | |
| Late/Upper Famennian | China (Guangxi) | Sinosymbole guangxiensis (222338) |