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Dushania
Taxonomy
Cyrtosymbole (Dushania) was named by Yin (1978).
It was Pseudowaribole (Dushania) by Hahn and Brauckmann (1988); it was reranked as Dushania by Yuan and Xiang (1998).
It was assigned to Cyrtosymbole by Yin (1978); to Pseudowaribole by Hahn and Brauckmann (1988); and to Cyrtosymbolinae by Yuan and Xiang (1998).
It was Pseudowaribole (Dushania) by Hahn and Brauckmann (1988); it was reranked as Dushania by Yuan and Xiang (1998).
It was assigned to Cyrtosymbole by Yin (1978); to Pseudowaribole by Hahn and Brauckmann (1988); and to Cyrtosymbolinae by Yuan and Xiang (1998).
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Cyrtosymbole (Dushania) Yin |
| 1988 | Pseudowaribole (Dushania) Hahn and Brauckmann |
| 1998 | Dushania Yuan and Xiang pp. 171 - 172 |
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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. †Dushania Yin 1978
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Yuan and L.-W. Xiang 1998 | A genus of Cyrtosymbolinae Hupe, 1953 with the following characteristic combination of features : Glabella subcylindrical to cylindrical in outline, slightly inflated between palpebral lobes, weakly constricted across rr , broadly rounded anteriorly, with 3 pairs of faint glabellar furrows; occipital ring slightly narrowing laterally, without occipital lobe; preglabellar field concave, narrow (sag.) or absent; anterior border narrow and upturned; palpebral lobes moderately long to long, placed posteriorly; anterior branches of facial sutures long , gently to strongly divergent forward, posterior branches of facial sutures with short straight sections E; - S ; pygidium long, with narrower distinctly demarcated border; axis long and narrow, with 10-16 axial rings and a short postaxial ridge; pleural area relatively broad (tr.) and flat, with 8-11 pairs of pleural ribs, of which anterior and posterior bands are equally developed ; pleural furrows deep, interpleural furrows narrow and shallow; border furrow narrow and distinct. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Fortey and Owens 1999, Aberhan et al. 2004 | |||||