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Taxonomy
Tihkia was named by Sahni and Tewari (1958). It is not extant.
It was assigned to Unionida by Skawina and Dzik (2011).
It was assigned to Unionida by Skawina and Dzik (2011).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Tihkia Sahni and Tewari |
| 2011 | Tihkia Skawina and Dzik p. 874 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Skawina and J. Dzik 2011 | ‘The shell is thick and varies in shape from broadly oval to narrow sub-quadrate. Anteriorly, the shell is broadly, and posteriorly somewhat narrowly rounded or sub-angular. The length is in all cases greater than the height, relative proportions varying within wide limits. The beaks are anteriorly situated but are not terminal; they are inconspicuous and curved inwards and very slightly.' |