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Douposiella
Taxonomy
Douposiella was named by Lu and Zhang (1974) [in Lu et al.]. It is not extant.
It was assigned to Ptychopariidae by Jell and Adrain (2002).
It was assigned to Ptychopariidae by Jell and Adrain (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Douposiella Lu and Zhang |
| 1983 | Tongshania Qui and Lin |
| 1990 | Tongshania Kruse p. 13 |
| 2002 | Douposiella Jell and Adrain |
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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. †Douposiella Lu and Zhang 1974
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†Douposiella himalaica Reed 1910
Invalid names: Tongshania Qui and Lin 1983 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. D. Kruse 1990 (Tongshania) | Cranidium subquadrate. Glabella truncated-conical, with three to four pairs of glabellar furrows; the posterior two pairs may be bifurcate adaxially. Occipital ring crescentic. Fixed cheeks about half or less of glabellar width. Palpebral lobes of small to moderate size. Preglabellar field subequal in lenght or slightly longer (sag.) than anterior boder. Anterior border flat to gently convex, longer (sag.) medially than laterally. Anterior border furrow may include a pair of elongate lateral pits. Facial suture divergent anteriorly from palpebral lobes. Posterolateral limbs wider than anterior border. Posterior border furrow distinct.
Thorax with 12 or more segments. Pygidium small, broad: pygidial axis with about three rings and as many pleural furrows. Axis short, not reaching posterior margin. Posterior margin with shallow median reentrant. |