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Linnarssonia
Taxonomy
Linnarssonia was named by Walcott (1885) [Sepkoski's age data: Cm Boto-l Cm uMid-u Sepkoski's reference number: 1,522,885].
It was assigned to Acrotretidae by Williams et al. (2000); to Linnarssoniinae by Landing et al. (2002); and to Acrotretida by Bengtson (1992) and Sepkoski (2002).
It was assigned to Acrotretidae by Williams et al. (2000); to Linnarssoniinae by Landing et al. (2002); and to Acrotretida by Bengtson (1992) and Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Linnarssonia Walcott |
| 1992 | Linnarssonia Bengtson p. 1030 |
| 2000 | Linnarssonia Williams et al. p. 115 |
| 2002 | Linnarssonia Landing et al. p. 298 |
| 2002 | Linnarssonia Sepkoski |
| 2002 | Pegmatreta 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. †Linnarssonia Walcott 1885
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†Acrotreta ophirensis rugosus Walcott 1902
†Linnarssonia constans Koneva 1983
†Linnarssonia taconica Walcott 1885
†Linnarssonia transversa Hartt 1868
Invalid names: Pegmatreta [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Atdabanian to the top of the Idamean or 521.00000 to 494.00000 Ma
Collections (83 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | United Kingdom (England) | Acrotreta ophirensis (79933) | |
| Botomian | Kazakhstan | L. constans (99362 99366 99367 123081 123087 123088 123089 123090 123091 123092) | |
| Botomian | Russian Federation (Yakutia) | L. sp. (90438) | |
| Botomian - Lenian | Kazakhstan | L. constans (9629) | |
| Botomian - Toyonian | Kazakhstan | L. constans (99372) | |
| Lenian | Kyrgyzstan | L. sp., Pegmatreta sp. (81268) | |
| Dyeran | Canada (Quebec) | L. taconica (78754 78755) | |
| Toyonian | Kazakhstan | L. constans (122847 122848 123061 123062 123063 123065 123067 123093) | |
| Delamaran | Mexico | L. arellanoi (10688) | |
| Delamaran - Menevian | Mexico | L. rara (10687) | |
| Amgan | Kazakhstan | L. captiosa (9973) L. ventosa, L. captiosa (9970 9971 9972 9974 9977) | |
| Arcadian | Canada (Newfoundland and Labrador) | Pegmatreta sp. (10768) | |
| Middle Cambrian | USA (Montana) | Pegmatreta perplexa (155652 155737) Pegmatreta perplexa, Pegmatreta rotunda (155649 155650) | |
| Middle Cambrian | USA (Utah) | Pegmatreta bellatula (77278) | |
| Middle Cambrian | Canada (British Columbia) | Linnarssonia indet. (171308) L. sp. (171309) | |
| St Davids | USA (Utah) | L. sp. (216) | |
| Tuesaian | Kazakhstan | L. ventosa, L. captiosa (9966) | |
| Mayan | Kazakhstan (Balkhash) | L. ophirensis (118062 118101) | |
| Menevian | Denmark (Bornholm) | L. sp. (50768) | |
| Menevian | Greenland (Peary Land) | L. tumida (49451 49485 49486 49488) | |
| Marjumian | USA (New York) | Pegmatreta sp. (221) | |
| Marjumian | USA (Utah) | L. bellatula, L. ophirensis (230679) L. ophirensis (56144) Pegmatreta bellatula (77271) | |
| Marjumian | Greenland (Peary Land) | L. tumida (49483) | |
| Zhanaarykian | Kazakhstan | L. captiosa (9962) L. rudis (9963) L. rudis, L. ophirensis, L. ventosa (9958) L. rudis, L. ventosa, L. captiosa (9959) L. ventosa, L. captiosa (9960 9961 9964) | |
| Boomerangian | New Zealand (Nelson) | L. tumida (7897 49850) | |
| Boomerangian | Mexico | L. sp., L. ophirensis (200299) | |
| Ayusokkanian | Kazakhstan | L. ophirensis (118164 122757 122795) L. rudis (9943 9949) L. rudis, L. ophirensis (9944 9945 9946 9947 9948 9950) | |
| Mindyallan - Idamean | Australia (Victoria) | L. sp. (64047) L. sp., Pegmatreta clavigera (64038 64043 64050) Pegmatreta sp., Pegmatreta clavigera (64051) | |
| Merioneth | USA (Vermont) | Pegmatreta sp. (217) | |
| Merioneth | USA (Nevada) | L. sp. (208) |