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Taxonomy
Nileus planiceps was named by Nielsen (1995). Its type specimen is MGUH 22.889 (S 785), a cephalon/head (cranidium), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Nileus planiceps Nielsen pp. 284-287 figs. 206-207 |
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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.
†Nileus planiceps Nielsen 1995
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. T. Nielsen 1995 | Cranidium of low convexity (both ways), anterior margin evenly rounded and with tlattened rim; anterolateral expansion of glabella strong (tr. ) , but short (exsag. ) ; axial furrows well-impressed; mesial glabellar tuberde situated relatively far back. Pygidium covered, axis indusive, with extremely densely spaeed, very fine terrace lines; axis slightly raised, moderately tapering; border very narrow and steep, ill-defined. Pygidial doublure show more than 25 terrace lines. |
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009 | |||||