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Dicellograptus
Taxonomy
Dicellograptus was named by Hopkinson (1871) [Sepkoski's age data: O Llvi-l O Ashg-u Sepkoski's reference number: 722,1066]. It was considered monophyletic by Storch et al. (2011).
It was assigned to Graptoloidea by Sepkoski (2002); to Dicranograptoidea by Storch et al. (2011); and to Dicranograptidae by Chen et al. (2016).
It was assigned to Graptoloidea by Sepkoski (2002); to Dicranograptoidea by Storch et al. (2011); and to Dicranograptidae by Chen et al. (2016).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1871 | Dicellograptus Hopkinson |
| 1873 | Leptograptus Lapworth |
| 2002 | Dicellograptus Sepkoski |
| 2002 | Leptograptus Sepkoski |
| 2011 | Dicellograptus Storch et al. |
| 2016 | Dicellograptus Chen et al. p. 159 |
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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.
G. †Dicellograptus Hopkinson 1871
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†Dicellograptus anceps Nicholson 1867
†Dicellograptus caduceus Lapworth and Wood 1876
†Dicellograptus complanatus Lapworth 1880
†Dicellograptus complexus Davies 1929
†Dicellograptus divaricatus Hall 1859
†Dicellograptus divaricatus bicurvatus Ruedemann 1908
†Dicellograptus elegans Carruthers 1868
†Dicellograptus gravis Keble and Harris 1925
†Dicellograptus ornatus Elles and Wood 1904
†Dicellograptus sextans Hall 1843
Invalid names: Leptograptus Lapworth 1873 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Early/Lower Llanvirn to the top of the Harju or 468.00000 to 443.80000 Ma
Collections (253 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ordovician | USA (Alaska) | Leptograptus sp. (111709) | |
| Arenig | China (XinJiang) | D. sp. (20791) | |
| Arenig | China (GanSu) | D. sp. (8575) | |
| Floian - Dapingian | Russian Federation (Siberia) | D. sp. (206142) | |
| Dapingian | Russian Federation (Siberia) | D. sp. (206141) | |
| Middle Ordovician | USA (Nevada) | D. intortus, D. divaricatus, D. sextans (203993) D. intortus, D. sp. (203990) D. sextans (203994) | |
| Middle Ordovician | USA (Virginia) | D. sp. (6986) | |
| Middle Ordovician | USA (California) | D. sp. (424 196180) | |
| Chazyan | USA (California) | D. sextans (104324) | |
| Whiterockian | USA (Nevada) | D. divaricatus, D. sextans (104382) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Wufeng - Hirnantian | China (Guizhou) | D. sp. (4739) | |
| Wufeng - Hirnantian | China (Hubei) | D. sp. (7721) | |
| Wufeng - Hirnantian | China (Hunan) | D. sp. (7687 7696) | |
| Wufeng - Hirnantian | China (Sichuan) | D. sp., Leptograptus sp. (7641) | |
| Wufeng - Hirnantian | China (Hunan and Hubei) | D. sp. (7713) | |
| Cautleyan - Rawtheyan | China (Sichuan) | D. sp. (7252) | |
| Cautleyan - Rawtheyan | China (Yunnan) | D. sp. (7259) | |
| Cautleyan - Hirnantian | China (GanSu) | D. sp. (8557) | |
| Hirnantian | USA (Nevada) | D. ornatus (145756) | |
| Hirnantian | Argentina | D. sp. (8890) | |