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Taxonomy
Dechenella (Pedinodechenella) was named by Ormiston (1967). Its type is Dechenella (Pedinodechenella) melvillensis.
It was reranked as Pedinodechenella by Lieberman (1994), Zhou et al. (2000), Jell and Adrain (2002), Sepkoski (2002), Bignon and Crônier (2011).
It was assigned to Dechenella by Ormiston (1967); to Proetinae by Lieberman (1994); to Proetidae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Dechenellinae by Zhou et al. (2000), Bignon and Crônier (2011).
It was reranked as Pedinodechenella by Lieberman (1994), Zhou et al. (2000), Jell and Adrain (2002), Sepkoski (2002), Bignon and Crônier (2011).
It was assigned to Dechenella by Ormiston (1967); to Proetinae by Lieberman (1994); to Proetidae by Jell and Adrain (2002); to Proetida by Sepkoski (2002); and to Dechenellinae by Zhou et al. (2000), Bignon and Crônier (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Dechenella (Pedinodechenella) Ormiston p. 99 |
| 1994 | Pedinodechenella Lieberman |
| 2000 | Pedinodechenella Zhou et al. p. 470 |
| 2002 | Pedinodechenella Jell and Adrain |
| 2002 | Pedinodechenella Sepkoski |
| 2011 | Pedinodechenella Bignon and Crônier p. 2 |
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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.
Subg. †Dechenella (Pedinodechenella) Ormiston 1967
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. R. Ormiston 1967 | Glabella wider than long, tapering rapidly anteriorly with a constriction opposite the 2p glabellar furrow. In longitudinal and transverse profiles the glabella is fiat and low lying. Three pair of equally deep lateral glabellar furrows. On either side of the glabella anterior to the 3p furrow a conspicuous node occurs in the axial furrow. These nodes occupy the position at which anterior pits are located in trilobites which have those structures. Glabella punctate. Occipital lobes well developed. In transverse profile the pygidial axis has only a slight independent convexity barely interrupting the curvature of the pleural fields. On the internal mould the axial rings are truncate at their crests. Pleural ribs have almost no relief in cross section. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Fortey and Owens 1999, Hendy 2009 | |||||
Collections
No collection or age range data are available