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Taxonomy
Olenus bisulcatus was named by Phillips (1848) [Phillips in Phillips & Salter 1848].
It was recombined as Sphaerophthalmus bisulcatus by Belt (1868); it was recombined as Ctenopyge (Ctenopyge) bisulcata by Henningsmoen (1957); it was recombined as Ctenopyge bisulcata by Westergård (1922), Høyberget and Bruton (2012).
It was recombined as Sphaerophthalmus bisulcatus by Belt (1868); it was recombined as Ctenopyge (Ctenopyge) bisulcata by Henningsmoen (1957); it was recombined as Ctenopyge bisulcata by Westergård (1922), Høyberget and Bruton (2012).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Olenus bisulcatus Phillips pp. 35, 346 figs. fig. 1 |
| 1848 | Olenus bisulcatus Phillips and Salter pp. 35, 346 figs. fig. 1 |
| 1868 | Sphaerophthalmus bisulcatus Belt p. 10 |
| 1922 | Ctenopyge bisulcata Westergård p. 159 figs. pl. XII, figs. 19-25. |
| 1957 | Ctenopyge (Ctenopyge) bisulcata Henningsmoen pp. 203 - 204 figs. pl. 5 |
| 2012 | Ctenopyge bisulcata Høyberget and Bruton |
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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.
†Ctenopyge bisulcata Phillips 1848
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Henningsmoen 1957 | A Ctenopyge species with : almost parallcl-siclecl glabella; Sl strong, usually united ae1·oss glabella, other glabellar furrows very short ; oblique eyc ridges ; centres of palpebral lo bes opposite Sl or L2 ; interocular cheeks somewhat narrower than glabella at eye line ; postocular cheeks slightly less to slightly more than 1 . 5 times as wicle as occipital ring ; frec cheeks with long flattened spine. obtuse genal angle, and straight posterior lateral margin slightly shorter than com-ex anterior l ateral margin ; thorax with pleural regwns ( excluding spines) somewhat w ider than axi:; and lang flat pleural spines ( at !east posteriori y) ; hypo::toma with relatively short brim. Pygidium unknown. |
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy et al. 2009, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: Niuchehean or 491.00000 to 486.85000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Merioneth | Norway (Østlandet) | Ctenopyge bisulcata (190322 190323) | |
| Merioneth | Sweden (Vastergotland) | Ctenopyge bisulcata (235395) | |
| Merioneth | Norway (Oslo Asker) | Ctenopyge bisulcata (190286 190287) | |
| Merioneth | Norway (Røyken) | Ctenopyge bisulcata (190318 190319) | |
| Merioneth | Sweden (Västergötland) | Ctenopyge bisulcata (190325 190326) | |
| Niuchehean | Norway (Naersnes) | Ctenopyge bisulcata (156944) |