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Cardavia
Taxonomy
Cardavia was named by Kříž (2005). Its type is Cardavia cathleenae.
It was assigned to Cardiolidae by Kříž (2005), Kříž (2007).
It was assigned to Cardiolidae by Kříž (2005), Kříž (2007).
Species
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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. †Cardavia Kříž 2005
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†Cardavia cathleenae Kříž 2005
†Cardavia hafi Kříž 2005
†Cardavia stefani Kříž 2005
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Kříž 2005 | Small cardiolid, equivalved, inequilateral with prosogyrate umbones in anterior position. Shell ovate in outline, prosocline or opisthocline, obese. Posterior part in some species with wing-like shape, separated from the central part of the shell by a shallow radial furrow. Inner surface sculpture formed by prominent, narrow, radial ribs and gutters broadening ventrally and developed only as crenulations on the anterior, ventral and posterior margins. In some species several weak radial ribs are developed in the anteroventral or posterior part of the shell. Growth sculptures are developed as regularly or irregularly spaced wider growth bands of variable convexity, and as growth furrows. Hinge line straight, shorter than the length of the shell. In its anterior part several peg-like or conical taxodont teeth are developed. Low triangular area. |