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Orthograptus eucharis
Taxonomy
Retiograptus eucharis was named by Hall (1865).
It was recombined as Glossograptus eucharis by Ruedemann (1908); it was recombined as Lasiograptus (Thysanograptus) eucharis by Ruedemann (1947); it was recombined as Orthograptus eucharis by Goldman (1995).
It was recombined as Glossograptus eucharis by Ruedemann (1908); it was recombined as Lasiograptus (Thysanograptus) eucharis by Ruedemann (1947); it was recombined as Orthograptus eucharis by Goldman (1995).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Retiograptus eucharis Hall p. 146 figs. PI. 14, fig. 9 |
| 1908 | Glossograptus eucharis Ruedemann pp. 397-400 figs. text-fig. 346, not text-figs. 347-352, PI. 26, figs. 18, 19, PI. 27, figs. 11-13. |
| 1947 | Lasiograptus (Thysanograptus) eucharis Ruedemann pp. 461-462 figs. PI. 82, fig. 1, not PI. 81, fig. 33, PI. 82, figs. 1-26. |
| 1995 | Orthograptus eucharis Goldman pp. 530 - 532 figs. 15.6, 15.7, 17.1-17.4 |
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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.
†Orthograptus eucharis Hall 1865
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. Goldman 1995 | Rhabdosomes small, narrow, parallel sided; th 1l with apertural spine, thl2 lacking a spine, subsequent thecae with paired apertural spines. Periderm attenuated. |