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Orthograptus quadrimucronatus
Taxonomy
Graptolithus quadrimucronatus was named by Hall (1865).
It was recombined as Diplograptus (Orthograptus) quadrimucronatus by Elles and Wood (1907); it was recombined as Glossograptus (Orthograptus) quadrimucronatus by Ruedemann (1908); it was recombined as Glossograptus quadrimucronatus by Ruedemann (1947); it was misspelled as Graptolithus quardrimucronatus by White (1874); it was recombined as Orthograptus quadrimucronatus by Lapworth (1873), Berry (1960), Goldman (1995).
It was recombined as Diplograptus (Orthograptus) quadrimucronatus by Elles and Wood (1907); it was recombined as Glossograptus (Orthograptus) quadrimucronatus by Ruedemann (1908); it was recombined as Glossograptus quadrimucronatus by Ruedemann (1947); it was misspelled as Graptolithus quardrimucronatus by White (1874); it was recombined as Orthograptus quadrimucronatus by Lapworth (1873), Berry (1960), Goldman (1995).
Sister species lacking formal opinion data
Diplograptus calcaratus, O. bellulus, O. cabanensis, O. calcaratus, O. calcaratus, O. calcaratus, O. calcaratus, O. calcaratus, O. colcorotus, O. cyperoides, O. insectiformis, O. intermedius, O. maximus, O. mutabilis, O. obuti, O. pauperatus, O. pigmeus, O. proplnquus, O. rivai, O. rugosus, O. sinitzini, O. spinosus, O. spinosus, O. truncatus, O. truncatus, O. truncatus, O. vesiculosus, O. whitfieldi
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Graptolithus quadrimucronatus Hall pp. 144-146 figs. pl. 13 f. 1-10 |
| 1873 | Orthograptus quadrimucronatus Lapworth p. 133 figs. PI. 6, fig. 20 |
| 1874 | Graptolithus quardrimucronatus White p. 13 |
| 1907 | Diplograptus (Orthograptus) quadrimucronatus Elles and Wood pp. 223-224 figs. pl. 28:1a-d; txt. f. 145a-f |
| 1908 | Glossograptus (Orthograptus) quadrimucronatus Ruedemann pp. 385-392 |
| 1947 | Glossograptus quadrimucronatus Ruedemann pp. 452-454 figs. pl.. 78 f. 1-5 |
| 1960 | Orthograptus quadrimucronatus Berry p. 91 figs. pl. 18 f. 1 |
| 1995 | Orthograptus quadrimucronatus Goldman pp. 525 - 530 figs. 10.1-10.19, 11.1-11.6, 15.1-15.5, 17.5-17.9 |
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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.
†Orthograptus quadrimucronatus Hall 1865
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. Goldman 1995 | Orthograptus with short single apertural to subapertural spine on thl' and thl2; subsequent thecae bear paired apertural spines; rhabdosomes septate, widen gradually, bear no unusually long thecal spines. |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Eastonian or 452.30000 to 449.00000 Ma
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | Sweden (Vestergotland) | Diplograptus quadrimucronatus (76077) | |
| Caradoc | USA (Alaska) | Orthograptus quadrimucronatus (114843) | |
| Shermanian - Maysvillian | Canada (Northwest Territories) | Orthograptus quadrimucronatus (25344) | |
| Chatfieldian | USA (New York) | Orthograptus quadrimucronatus (184438) | |
| Katian | Kazakhstan | Orthograptus quadrimucronatus (161918 161919 162197 162198 162199) | |
| Katian | China (Xinjiang) | Orthograptus quadrimucronatus (188403 188404 188407 188409 188413 188414 188415) | |
| Katian | Russian Federation (Siberia) | Orthograptus quadrimucronatus (205666) | |
| Katian | USA (New York) | Glossograptus quadrimucronatus (204767) | |
| Eastonian | Canada (Québec) | Orthograptus quadrimucronatus (25101) | |
| Eastonian | USA (Idaho) | Orthograptus quadrimucronatus (145463 145464 145465 145468 145470 145477 145478) | |
| Eastonian | USA (Texas) | Orthograptus quadrimucronatus (184416) | |
| Edenian | USA (Pennsylvania) | Orthograptus quadrimucronatus (34895) | |
| Edenian - Maysvillian | Canada (Quebec) | Orthograptus quadrimucronatus (13128) | |
| Edenian - Maysvillian | Canada (Ontario) | Glossograptus quadrimucronatus (26295 26299) | |
| Maysvillian | Canada (Ontario) | Glossograptus quadrimucronatus (26296 26302) | |
| Maysvillian | USA (Michigan) | Glossograptus quadrimucronatus (26307) Orthograptus quadrimucronatus (145605 184443) | |
| Richmondian | Canada (Québec) | Orthograptus quadrimucronatus (25104) | |
| Richmondian | USA (Texas) | Orthograptus quadrimucronatus (184417 184418) | |
| Ashgill | USA (Idaho) | Orthograptus quadrimucronatus (145489) | |
| Ashgill | USA (Michigan) | Glossograptus quadrimucronatus (26306) | |
| Ashgill | Belgium | Orthograptus quadrimucronatus (145603) |