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Trochonema canadensis
Taxonomy
Trochonema umbilicata canadensis was named by Ulrich and Scofield (1897) [Trochonema umbilicata canadensis Ulrich & Scofield 1897]. It is not extant.
It was synonymized subjectively with Trochonema umbilicata by Wilson (1938) and Wilson (1951); it was recombined as Trochonema canadensis by Wagner (1999).
It was synonymized subjectively with Trochonema umbilicata by Wilson (1938) and Wilson (1951); it was recombined as Trochonema canadensis by Wagner (1999).
Synonymy list
Year | Name and author |
---|---|
1897 | Trochonema umbilicata canadensis Ulrich and Scofield |
1999 | Trochonema canadensis Wagner p. 30 |
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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.
†Trochonema canadensis Ulrich and Scofield 1897
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Diagnosis
No diagnoses are available