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Dicellograptus sextans
Taxonomy
Graptolithus sextans was named by Hall (1843).
It was recombined as Dicranograptus sextans by Hall (1865); it was recombined as Didymograptus sextans by Nicholson (1870); it was recombined as Dicellograptus sextans by Elles and Wood (1904).
It was recombined as Dicranograptus sextans by Hall (1865); it was recombined as Didymograptus sextans by Nicholson (1870); it was recombined as Dicellograptus sextans by Elles and Wood (1904).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1843 | Graptolithus sextans Hall p. 273 figs. pl. 74a, figs. 3 a—e. |
1865 | Dicranograptus sextans Hall p. 59 |
1870 | Didymograptus sextans Nicholson p. 356 fig. 9 |
1904 | Dicellograptus sextans Elles and Wood pp. 153 - 155 figs. Plate XXI, figs. 1 a—c |
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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.
†Dicellograptus sextans Hall 1843
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Diagnosis
No diagnoses are available