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Pseudotrigonograptus ensiformis
Taxonomy
Graptolithus ensiformis was named by Hall (1858).
It was recombined as Retiolites ensiformis by Hall (1865); it was recombined as Trigonograptus ensiformis by Ruedemann (1947); it was recombined as Pseudotrigonograptus ensiformis by Rickards (1973).
It was recombined as Retiolites ensiformis by Hall (1865); it was recombined as Trigonograptus ensiformis by Ruedemann (1947); it was recombined as Pseudotrigonograptus ensiformis by Rickards (1973).
Synonyms
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Synonymy list
Year | Name and author |
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1858 | Graptolithus ensiformis Hall p. 133 |
1865 | Retiolites ensiformis Hall p. 114 figs. Pl. 14, Figs 1-5 |
1947 | Trigonograptus ensiformis Ruedemann p. 448 figs. PI. 76 f. 58 |
1958 | Trigonograptus angustus Mu and Lee p. 396 figs. PI. 2, f..1-12, Text-fig. 4. |
1958 | Pseudotrigonograptus uniformis Mu and Lee p. 397 figs. pl. 3 f. 1-10 |
1958 | Pseudotrigonograptus magnus Mu and Lee p. 398 figs. PI. 2 f 13-14 |
1973 | Pseudotrigonograptus ensiformis Rickards pp. 599 - 602 figs. 1-3 |
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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.
†Pseudotrigonograptus ensiformis Hall 1858
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Invalid names: Pseudotrigonograptus angustus Mu and Lee 1958 [synonym], Pseudotrigonograptus magnus Mu and Lee 1958 [synonym], Pseudotrigonograptus uniformis Mu and Lee 1958 [synonym]
Diagnosis
No diagnoses are available