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Cirsotrema (Cirsotremopsis)
Taxonomy
Cirsotrema (Cirsotremopsis) was named by Thiele (1928). It is extant.
It was assigned to Cirsotrema by Thiele (1928), Rehder (1945), Olsson (1967), Todd (2001).
It was assigned to Cirsotrema by Thiele (1928), Rehder (1945), Olsson (1967), Todd (2001).
Subtaxa
Species lacking formal opinion data
Synonymy list
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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.
Subg. Cirsotrema (Cirsotremopsis) Thiele 1928
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†Cirsotrema (Cirsotremopsis) insigne Philippi 1843
†Cirsotrema (Cirsotremopsis) nagaoi Oyama and Mizuno 1958
†Cirsotrema (Cirsotremopsis) woodringi Olsson 1967
Diagnosis
No diagnoses are available