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Taxonomy
Symphysurina was named by Ulrich (1924) [Sepkoski's age data: O Trem-l].
It was assigned to Nileidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Nileidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Symphysurina Ulrich |
| 2002 | Symphysurina Jell and Adrain p. 449 |
| 2002 | Symphysurina Sepkoski |
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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. †Symphysurina Ulrich 1924
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†Symphysurina brevis Fortey 1983
†Symphysurina bubops Winston and Nicholls 1967
†Symphysurina bulbosa Lochman 1964
†Symphysurina elegans Poulsen 1937
†Symphysurina globocapitella Hintze 1953
†Symphysurina goniura Billings 1860
†Symphysurina myopia Westrop and in Landing et al 2003
†Symphysurina robusta Poulsen 1937
†Symphysurina spicata Ulrich in Walcott 1925
†Symphysurina uncaspicata Hintze 1953
†Symphysurina walcotti Kindle 1929
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Invalid names: Symphysurina brevispicata Hintze 1953 [synonym]
†Symphysurina woosteri Ulrich and Walcott 1924
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Skullrockian to the top of the Demingian or 488.90000 to 483.40000 Ma
Collections (130 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | USA (Utah) | S. eurekensis, S. brevispicata, S. spicata (219670 219671) | |
| Trempealeauan | Canada (Newfoundland and Labrador) | S. cleora (203836) S. minima (105856) S. sp. (105871) S. spicata (105869) | |
| Trempealeauan | USA (Texas) | S. brevispicata (215998 215999 216000 216001 216002 216003 216005 216007) | |
| Skullrockian | USA (Utah) | S. brevispicata (104153) S. cleora (104157 104158) S. cleora, S. brevispicata (104161) S. globocapitella (104160 104176) S. sp. (104151 104154 104162 104166 104171 104172) S. spicata (104169 104170 104180 104184) S. spp. (106421 106422) S. spp., S. brevispicata (106420) S. uncaspicata (104167 105777) | |
| Skullrockian | Greenland | S. woosteri (122109) | |
| Skullrockian | USA (Texas) | S. brevispicata, S. bulbosa (219673) S. brevispicata, S. bulbosa, S. bubops (219672 219674) | |
| Skullrockian | USA (New York) | S. myopia (87524) | |
| Skullrockian | Canada (Newfoundland) | S. myopia (195680 195693 195694 195695 195696 195698 195699 195700 195701 195702 195703 195705) S. sp. (195734 195736 195737 195738 195742 195743 195744 195745) | |
| Skullrockian | Canada (British Columbia) | S. spicata (50164) | |
| Demingian | Canada (Alberta) | S. sp. b (50166) | |
| Demingian | USA (Montana) | S. sp. (69028) | |
| Gasconadian | USA (Oklahoma) | S. brevispicata, S. bulbosa (221096) | |
| Gasconadian | USA (New York) | S. sp. (273) | |
| Gasconadian | USA (New Mexico) | S. spp. (203894 203895 203896 203897 203899 203900) S. spp., S. pygidium no. 1 Stitt (203898) S. woosteri (203902) | |
| Gasconadian | Canada (British Columbia) | S. sp. a, S. sp. b (50165) | |
| Gasconadian | USA (Utah) | S. sp. (103920) S. sp. A (103786) | |
| Gasconadian | USA (Idaho) | S. sp. A (103814) | |
| Gasconadian | USA (Montana) | S. bulbosa (219668) S. sp. (210720) S. woosteri (210717) | |
| Gasconadian | USA (California) | S. sp. (104642 104643) | |
| Gasconadian | USA (Nevada) | S. sp. (104334 104341 104644) | |
| Tremadocian | USA (Nevada) | S. brevispicata (75444) | |
| Tremadocian | Greenland | S. elegans, S. robusta (122085) S. sp. (122084 122087) S. woosteri (122086) | |
| Tremadocian | USA (New York) | S. convexa (174043) | |
| Tremadocian | USA (Utah) | S. eurekensis, S. brevispicata, S. spicata, S. bulbosa (219669) | |
| Tremadocian | Canada (Alberta) | S. sp. (229374) S. spicata, S. sp. (229377) | |
| Tremadocian | Canada (Yukon) | S. sp. (55344) S. sp., S. spicata (55345) | |
| Tremadocian | Canada (Newfoundland and Labrador) | S. brevispicata (105867) S. brevispicata, S. brevis (105854) S. cleora, S. spicata (105855) S. spicata (105868) | |
| Early/Lower Ordovician | Canada (Newfoundland) | S. sp. (198245) | |
| Tremadocian - Floian | Sweden | S. sp. (3195) | |
| Tremadoc | USA (Vermont) | S. sp. (277) | |
| Tremadoc | USA (Montana) | S. sp. (270 275) | |
| Tremadoc | France (Montagne Noire) | S. sp. (20829 76571) | |
| Tremadoc | USA (Utah) | S. sp. (276) | |
| Tremadoc | Canada (Newfoundland and Labrador) | S. sp. (78091) | |
| Tremadoc | Canada (Yukon) | S. sp., S. spicata (55300) | |
| Tremadoc | USA (Texas) | S. woosteri (223754) | |
| Tremadoc | Sweden | S. oriens (3107 3108) | |
| Tremadoc | Canada (Alberta) | S. eugenia (54122) S. sp. (11021 11066) S. sp., S. spicata (11046) S. spicata (11028 11059 11060 11065) S. walcotti (11033 11036 11038 11039 11040 11044 11045 11047 11048) |