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Achistrum triassicum
Taxonomy
Achistrum triassicum was named by Frizzell and Exline (1955). It is considered to be a form taxon.
It was recombined as Achistrum (Achistrum) triassicum by Hampton (1958); it was misspelled as Aschistrum triassicum by Gutschick (1959), Kozur and Mostler (1971) and Gazdzicki et al. (1978).
It was recombined as Achistrum (Achistrum) triassicum by Hampton (1958); it was misspelled as Aschistrum triassicum by Gutschick (1959), Kozur and Mostler (1971) and Gazdzicki et al. (1978).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1955 | Achistrum triassicum Frizzell and Exline |
1958 | Achistrum (Achistrum) triassicum Hampton p. 75 |
1959 | Aschistrum triassicum Gutschick p. 133 figs. pl. 25 figs. 25,26 |
1971 | Achistrum triassicum Kozur and Mostler p. 27 |
1978 | Achistrum triassicum Gazdzicki et al. p. 360 figs. pl. 49 figs 4-6 |
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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.
†Achistrum triassicum Frizzell and Exline 1955
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Diagnosis
No diagnoses are available