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Sinosymbole
Taxonomy
Sinosymbole was named by Yuan and Xiang (1998). Its type is Cyrtosymbole (Cyrtosymbole) guangxiensis.
It was assigned to Cyrtosymbolinae by Yuan and Xiang (1998).
It was assigned to Cyrtosymbolinae by Yuan and Xiang (1998).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Sinosymbole Yuan and Xiang pp. 141 - 142 |
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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.
G. †Sinosymbole Yuan and Xiang 1998
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†Sinosymbole guangxiensis Zhu 1988
†Sinosymbole janae Chlupáč 1966
†Sinosymbole mephisto Chlupáč 1966
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Yuan and L.-W. Xiang 1998 | A new genus of Cyrtosymbolinae Hupe, 1953 with the following characteristic combination of features: Glabella relatively long, truncated conical in outline, broadly rounded anteriorly, with 3 pairs of distinct glabellar furrows, of which the S1 is extremely deeply incised and isolated from the dorsal furrows; occipital furrow deeply incised, slightly bending forward laterally; anterior border furrow deep; preglabellar field very narrow or absent; anterior branches of facial sutures long, moderately divergent forward, posterior branches of facial sutures relatively long , slanting backwards and outwards; palpebral lobe short, strongly projecting outwards; eye medium in size; free cheek with moderately long genal spine; pygidium long, semielliptical in outline, with narrow demarcated border and distinct border furrow ; axis narrow and long, with more than 12-15 axial rings; pleural lobe rather broad and flat, with 9-12 pairs of pleural ribs , of which anterior and posterior bands are equally developed ; pleural furrows deep, interpleural furrows faint; sculpture on the surface of exoskeleton consists of fine sparsely distributed granules and undulated or squamous crests. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Fortey and Owens 1999 | |||||
Age range: Late/Upper Famennian or 364.70000 to 360.70000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | China (Guangxi) | S. guangxiensis (229268) | |
| Late/Upper Famennian | Czech Republic | Cyrtosymbole mephisto, Perliproetus janae (218975) | |
| Late/Upper Famennian | China (Guizhou) | S. sp. (218959 218960 218961 218962 218963 218964 218965 218966) | |
| Late/Upper Famennian | China (Guangxi) | S. guangxiensis (222338) |