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Dicranograptidae
Taxonomy
Dicranograptidae was named by Lapworth (1873). It is not extant. It was considered monophyletic by Storch et al. (2011).
It was replaced with Dicranograptoidea by Storch et al. (2011).
It was assigned to Didymograptina by Bulman (1970); to Diplograptacea by Mitchell et al. (2007); and to Diplograptina by Maletz (2014).
It was replaced with Dicranograptoidea by Storch et al. (2011).
It was assigned to Didymograptina by Bulman (1970); to Diplograptacea by Mitchell et al. (2007); and to Diplograptina by Maletz (2014).
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Dicranograptidae Lapworth |
| 1970 | Dicranograptidae Bulman p. V121 |
| 2007 | Dicranograptidae Mitchell et al. p. 335 |
| 2014 | Dicranograptidae Maletz p. 520 |
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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.
Fm. †Dicranograptidae Lapworth 1873
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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]
G. †Dicranograptus Hall 1865
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†Dicranograptus clingani Carruthers 1868
†Dicranograptus nicholsoni Hopkinson 1870
†Dicranograptus ramosus Hall 1847
†Dicranograptus sinensis Ge 1983
Invalid names: Cladograpsus Emmons 1855 [replaced], Diceratograptus [synonym]
Subfm. †Nemagraptinae Maletz 2014
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G. †Pleurograptus
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†Pleurograptus linearis Carruthers 1858
†Pleurograptus lui Mu 1950
Invalid names: Cladograpsus Carruthers 1858 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Dapingian to the top of the Hirnantian or 471.30000 to 443.10000 Ma
Collections (304 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ordovician | USA (Idaho) | Dicranograptus sp. (339) | |
| Ordovician | USA (Alaska) | Leptograptus sp. (111709) | |
| Floian - Dapingian | Russian Federation (Siberia) | Dicellograptus sp. (206142) | |
| Arenig | China (GanSu) | Dicellograptus sp. (8575) | |
| Arenig | China (XinJiang) | Dicellograptus sp., Dicranograptus sp. (20791) | |
| Dapingian | Russian Federation (Siberia) | Dicellograptus sp. (206141) | |
| Middle Ordovician | USA (California) | Dicellograptus sp. (424 196180) | |
| Middle Ordovician | USA (Virginia) | Dicellograptus sp., Nemagraptus gracilis (6986) | |
| Middle Ordovician | USA (Nevada) | Dicellograptus intortus, Dicellograptus sp., Dicranograptus sp. (203990) Dicellograptus intortus, Dicranograptus contortus, Dicellograptus divaricatus, Dicellograptus sextans (203993) Dicellograptus sextans (203994) Dicranograptus ramosus (203991) | |
| Chazyan | USA (California) | Dicellograptus sextans (104324) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Wufeng - Hirnantian | China (Hunan and Hubei) | Dicellograptus sp. (7713) | |
| Wufeng - Hirnantian | China (Sichuan) | Dicellograptus sp., Leptograptus sp., Pleurograptus sp. (7641) | |
| Wufeng - Hirnantian | China (Guizhou) | Dicellograptus sp. (4739) | |
| Cautleyan - Rawtheyan | China (Hunan) | Dicranograptus sp. (7708) | |
| Cautleyan - Rawtheyan | China (Sichuan) | Dicellograptus sp. (7252) | |
| Cautleyan - Rawtheyan | China (Yunnan) | Dicellograptus sp. (7259) | |
| Cautleyan - Hirnantian | China (GanSu) | Dicellograptus sp., Pleurograptus sp. (8557) | |
| Bolindian | USA (Idaho) | Dicellograptus alector, Leptograptus demissus (145484) Leptograptus demissus (145487 145488 145497) Leptograptus demissus, Leptograptus flaccidus, Dicellograptus ornatus (145486) Leptograptus demissus, Pleurograptus linearis, Dicellograptus ornatus (145485) | |
| Hirnantian | USA (Nevada) | Dicellograptus ornatus (145756) | |
| Hirnantian | Argentina | Dicellograptus sp. (8890) | |