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Palaeocrangon problematicus
Taxonomy
Trilobites problematicus was named by Schlotheim (1820).
It was recombined as Palaeocrangon problematica by von Schauroth (1854); it was recombined as Prosoponiscus problematicus by Kirkby (1857) and Geinitz (1861); it was recombined as Palaeocrangon problematicus by Glaessner (1957).
It was recombined as Palaeocrangon problematica by von Schauroth (1854); it was recombined as Prosoponiscus problematicus by Kirkby (1857) and Geinitz (1861); it was recombined as Palaeocrangon problematicus by Glaessner (1957).
Synonymy list
| Year | Name and author |
|---|---|
| 1820 | Trilobites problematicus Schlotheim |
| 1854 | Palaeocrangon problematica von Schauroth p. 560 figs. Pl 22, fig 2 |
| 1857 | Prosoponiscus problematicus Kirkby p. 214 figs. Pl 7, figs 1-7 |
| 1861 | Prosoponiscus problematicus Geinitz p. 30 figs. Pl 10, figs 7,8; text-fig I.1-3 |
| 1957 | Palaeocrangon problematicus Glaessner p. 143 fig. 1a |
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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.
†Palaeocrangon problematicus Schlotheim 1820
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Diagnosis
No diagnoses are available