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Silurinka
Taxonomy
Silurinka was named by Kříž (2005) [Includes Silurinka antiquissima (Barrande, 1881): I don't know the original genus.].
It was assigned to Ambonychiidae by Kříž (2005).
It was assigned to Ambonychiidae by Kříž (2005).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2005 | Silurinka Kříž p. 465 |
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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. †Silurinka Kříž 2005
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Kříž 2005 | Small ambonychiid with equivalved, inequilateral, prosogyrate umbones in terminal position, lacking anterior lobe and posterior wing, prosocline, and moderately inflated. Outer and inner surface sculpture formed of prominent wide radial ribs (9–13), flat and convex. Radial gutters relatively narrow. Radial ribs broaden ventrally more than radial gutters. Growth sculptures not developed or presented as shallow growth bands and furrows spaced irregularly. Hinge line straight, short. Low triangular area developed posterior to umbo. Anterior to umbo a relatively small, long, triangular anterior face is developed; byssal gape not discernible. |