| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Dichograptina
Taxonomy
Dichograptina was named by Lapworth (1873).
It was assigned to Graptoloidea by Maletz (2014), Maletz et al. (2018), Lo Valvo et al. (2020).
It was assigned to Graptoloidea by Maletz (2014), Maletz et al. (2018), Lo Valvo et al. (2020).
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Dichograptina Lapworth |
| 2014 | Dichograptina Maletz p. 512 |
| 2018 | Dichograptina Maletz et al. p. 2 |
| 2020 | Dichograptina Lo Valvo et al. p. 538 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Subor. †Dichograptina Lapworth 1873
show all | hide all
Fm. †Dichograptidae Lapworth 1873
hide
G. †Dichograptus
+
†Dichograptus maccoyi Harris and Thomas 1940
†Dichograptus maccoyi maccoyi Harris and Thomas 1940
Subfm. †Didymograpti Bulman 1970
+
G. †Atopograptus
G. †Azygograptus Nicholson and Lapworth 1875
+
†Azygograptus ellesi Monsen 1937
†Azygograptus lapworthi Nicholson 1875
†Azygograptus novozealandicus Skwarko 1962
Invalid names: Nicholsonograptus Boucek and Pribyl 1951 [synonym], Pseudazygograptus [synonym]
G. †Janograptus
G. †Maeandrograptus
G. †Parazygograptus
G. †Skiagraptus
G. †Didymograptus McCoy 1851
+
Subg. †Didymograptus (Didymograptellus) Cooper and Fortey 1982
Subg. †Didymograptus (Didymograptus) M'Coy 1851
+
†Didymograptus (Didymograptus) artus Elles and Wood 1901
†Didymograptus balticus Tullberg 1880
†Didymograptus demissus Törnquist 1901
†Didymograptus ensjoensis Monsen 1937
†Didymograptus euodus Lapworth 1875
†Didymograptus extensus Hall 1858
†Didymograptus filiformis Tullberg 1880
†Didymograptus holmi Törnquist 1901
†Didymograptus latus Hall 1907
†Didymograptus murchisoni Beck 1839
+
Invalid names: Didymograptus pseudogeminus Bouček 1973 [synonym]
†Didymograptus nicholsoni Lapworth 1875
†Didymograptus pacificus Ruedemann 1947
†Didymograptus paraindentus Berry 1960
†Didymograptus paraindentus Berry 1960
†Didymograptus protobalticus Monsen 1937
†Didymograptus pusillus Tullberg 1880
†Didymograptus spinulosus Perner 1895
†Didymograptus suecicus Tullberg 1880
†Didymograptus turgidus Lee 1974
†Didymograptus undulatus Törnquist 1901
†Didymograptus uniformis Elles and Wood 1901
Invalid names: Cladograpsus Geinitz 1852 [synonym]
Subfm. †Goniograpti Bulman 1970
+
G. †Anomalograptus
G. †Brachiograptus
G. †Oslograptus
G. †Stellatograptus
G. †Triaenograptus
G. †Yushanograptus
G. †Zygograptus
G. †Loganograptus Hall 1868
G. †Orthodichograptus Thomas 1972
Subfm. †Schizograpti Bulman 1970
+
G. †Anthograptus Tornquist 1904
G. †Mimograptus
G. †Schizograptus
G. †Trochograptus
Invalid names: Dichograpti Bulman 1970 [empty], Dichograptinae Lapworth 1873 [empty], Tetragrapti Bulman 1970 [empty]
Fm. †Phyllograptidae Kiessling 2009
hide
G. †Corymbograptus Obut and Sobolevskaya 1964
+
†Corymbograptus vfractus Salter 1863
†Corymbograptus vfractus tullbergi Monsen 1937
G. †Harrisgraptus VandenBerg 2019
+
†Harrisgraptus eocaduceus Harris 1933
+
Invalid names: Harrisgraptus hemicyclus Harris 1933 [synonym]
G. †Phyllograptus Hall 1858
+
†Phyllograptus anna Hall 1865
†Phyllograptus ilicifolius Hall 1858
†Phyllograptus loringi White 1874
G. †Pseudophyllograptus Cooper and Fortey 1982
+
†Pseudophyllograptus angustifolius Hall 1857
†Pseudophyllograptus angustifolius elongatus Bulman 1931
†Pseudophyllograptus densus Tornquist 1879
G. †Tetragraptus Salter 1863
+
†Tetragraptus acclinans Keble 1920
†Tetragraptus akzharensis Tzaj 1968
†Tetragraptus amii Elles and Wood 1902
†Tetragraptus bigsbyi Hall 1865
†Tetragraptus decipiens Hall 1899
†Tetragraptus insuetus Keble and Benson 1929
†Tetragraptus phyllograptoides Strandmark 1902
†Tetragraptus pseudobigsbyi Skevington 1965
†Tetragraptus quadribrachiatus Hall 1858
†Tetragraptus reclinatus Elles and Wood 1902
†Tetragraptus reclinatus reclinatus Elles and Wood 1902
Fm. †Pterograptidae Mu 1950
hide
G. †Didymograptellus Cooper and Fortey 1982
+
†Didymograptellus bifidus Hall 1865
†Didymograptellus nitidus Hall 1858
†Didymograptellus protobifidus Elles 1933
G. †Pseudobryograptus Mu 1957
+
†Pseudobryograptus incertus Harris and Thomas 1935
†Pseudobryograptus parallelus Mu 1957
G. †Xiphograptus
Fm. †Tetragraptidae Frech 1897
hide
+
†Pseudotrigonograptus ensiformis Hall 1858
+
Invalid names: Pseudotrigonograptus angustus Mu and Lee 1958 [synonym], Pseudotrigonograptus magnus Mu and Lee 1958 [synonym], Pseudotrigonograptus uniformis Mu and Lee 1958 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Maletz 2014 | Multiramous to two-stiped graptoloids with biradiate isograptid proximal development and maeandrograptid symmetry; colony shape scandent to reclined, horizontal and even pendent; prosicula small, with widening and much larger metasicula; thecae simple, widening tubes with or without rutellum; branching dichotomous or cladial. |
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Stairsian to the top of the Hirnantian or 483.40000 to 443.10000 Ma
Collections (539 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ibexian | USA (California) | Didymograptus protobifidus, Tetragraptus bigsbyi, Phyllograptus anna (205357) Didymograptus protoindentus, Didymograptus protobifidus, Tetragraptus reclinatus, Phyllograptus ilicifolius, Didymograptus nitidus, Tetragraptus bigsbyi, Phyllograptus anna (205358) | |
| Pakerort - Varangu | Russian Federation (Yaroslavl Oblast) | Clonograptus sp., Temnograptus sp., Clonograptus flexilis (235889) | |
| Tremadocian | Morocco (Zagora) | Tetragraptus sp. (235072) | |
| Tremadocian | Russian Federation (Siberia) | Schizograptus sp. (205377) | |
| Tremadocian | Morocco | Clonograptus sp. (96112) | |
| Tremadocian | Canada (Northwest Terrorities) | Clonograptus sp., Tetragraptus sp. (415) | |
| Tremadocian | New Zealand | Clonograptus sp., Tetragraptus decipiens (63195) Tetragraptus decipiens (63204) | |
| Tremadocian | Russian Federation (Krasnoyar) | Clonograptus sp. (131107) | |
| Tremadocian | United Kingdom | Clonograptus sp. (208229) | |
| Early/Lower Ordovician | USA (Alaska) | Tetragraptus quadribrachiatus, Didymograptus nitidus (111707) | |
Youngest occurrences |
|||
| Time interval | Ma | Country or state | PBDB collection number |
| Caradoc | China (GuangXi) | Didymograptus sp., Pseudotrigonograptus sp. (4668) | |
| Caradoc | Canada (Yukon) | Didymograptus sp. (25171) | |
| Caradoc | China (QingHai) | Didymograptus sp. (23601) | |
| Late/Upper Ordovician | USA (Alaska) | Didymograptus sagitticaulis (111713) | |
| Longvillian | China (ShanXi) | Phyllograptus sp., Tetragraptus sp. (7885) | |
| Actonian - Onnian | Argentina | Didymograptus sp. (8887) | |
| Actonian - Onnian | Bolivia | Didymograptus sp., Phyllograptus sp. (8856) | |
| Edenian - Maysvillian | Canada (Ontario) | Phyllograptus laevis (26295) | |
| Ashgill | Canada (Quebec) | Didymograptus sp. (56000) | |
| Wufeng - Hirnantian | China (Hubei) | Nicholsonograptus sp. (7721) | |