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Taxonomy
Proetus haldemani was named by Hall (1861).
It was recombined as Dechenella haldemani by Lieberman (1994).
It was recombined as Dechenella haldemani by Lieberman (1994).
Synonymy list
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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.
†Dechenella haldemani Hall 1861
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. S. Lieberman 1994 | Anterior cephalic border raised broad ledge, convex; anterior portion of intraoccipital lobe straight behind transverse line tangent to anteromedian portion of SO; sides of glabella immediately anterior of S4 parallel; lateral margins of glabella between S I and S2 converging more sharply than during their course between S2 and S3; length (exsag.) between anteromedian portion ofeye and anterior border furrow equal to 1.5 times orthogonal distance between anterolateral portion ofintraoccipital furrow and distal tip of S1; 17 pygidial axial rings; dorsal surface of pygidial border inclined at angle of pleura; posterior portion of pygidial border short, equal to length of first axial ring; anterior portion of axial rings straight medially before flexing posteriorly. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Fortey and Owens 1999 | |||||