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Yaadia lewisagassizi
Taxonomy
Trigonia lewisagassizi was named by Crickmay (1930). It is the type species of Yaadia.
It was recombined as Yaadia lewisagassizi by Cox (1952), Saul (1978) and Cooper and Leanza (2017).
It was recombined as Yaadia lewisagassizi by Cox (1952), Saul (1978) and Cooper and Leanza (2017).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Trigonia lewisagassizi Crickmay |
| 1952 | Yaadia lewisagassizi Cox |
| 1978 | Yaadia lewisagassizi Saul pp. 27 - 29 figs. Text figs. 8, 10 |
| 2017 | Yaadia lewisagassizi Cooper and Leanza |
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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.
†Yaadia lewisagassizi Crickmay 1930
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Diagnosis
No diagnoses are available