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Lotagnostus
Taxonomy
Lotagnostus was named by Whitehouse (1936) [Sepkoski's age data: Cm Trep-l Cm Trep-u]. It is not extant.
It was assigned to Agnostidae by Whittington et al. (1997), Bao and Jago (2000); and to Agnostida by Sepkoski (2002).
It was assigned to Agnostidae by Whittington et al. (1997), Bao and Jago (2000); and to Agnostida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Lotagnostus Whitehouse |
| 1997 | Lotagnostus Whittington et al. p. 341 |
| 2000 | Lotagnostus Bao and Jago pp. 887, 888 |
| 2002 | Lotagnostus 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. †Lotagnostus Whitehouse 1936
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Subg. †Lotagnostus (Distagnostus) Shergold 1971
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†Lotagnostus (Distagnostus) celatus Peng 1992
†Lotagnostus (Distagnostus) ergodes Shergold 1971
Subg. †Lotagnostus (Eolotagnostus) Zhou 1982
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†Lotagnostus (Eolotagnostus) cristus Ergaliev and Ergaliev 2008
†Lotagnostus (Eolotagnostus) decorus Peng 1992
†Lotagnostus (Eolotagnostus) pseudohedini Ergaliev and Ergaliev 2008
†Lotagnostus (Eolotagnostus) scrobicularis Ergaliev 1980
†Lotagnostus (Lotagnostus) trisectus Salter 1864
†Lotagnostus agnostiformis Apollonov and Tschugaeva 1983
†Lotagnostus americanus Billings 1860
†Lotagnostus asiaticus Troedsson 1937
†Lotagnostus atenuatus Rusconi 1955
†Lotagnostus extremus Ergaliev and Ergaliev 2008
†Lotagnostus hedini Troedsson 1937
†Lotagnostus obscurus Palmer 1955
†Lotagnostus punctatus Lu 1964
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Taoyuanian to the top of the Tremadocian or 498.50000 to 477.70000 Ma
Collections (100 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Guzhangian | China (Liaoning) | L. sp. (126764) | |
| Taoyuanian | Russian Federation (Sakha) | L. agnostiformis (133609 133610 133620) | |
| Taoyuanian | China (Hunan) | L. celatus (126719 126722) L. decorus (126716) L. scrobicularis (107326 126717) | |
| Taoyuanian | China (Zhejiang) | Eolotagnostus sp. (128301 128306) | |
| Taoyuanian - Niuchehean | China (Zhejiang) | L. punctatus (125522 125523 125524 125669 125693) L. punctatus, L. asiaticus (125525 125526 125566 125567 125668) | |
| Maentwrogian | United Kingdom (England) | L. sp. (238) | |
| Franconian | USA (Nevada) | L. sp. (252) | |
| Franconian - Trempealeauan | Australia (Queensland) | Distagnostus ergodes (198279 198280) | |
| Furongian | Argentina (La Rioja) | L. sp. (42518) | |
| Furongian | Argentina | L. shergoldi (115451 115452 115455) L. sp. (223798 235392) | |
| Furongian | Argentina (Mendoza) | L. atenuatus (210850) | |
| Furongian | Argentina (Jujuy) | L. shergoldi (115422 115425 115426 115427 115429 115430 115431 115433 115434 115436 115440) L. shergoldi, L. llamaensis (115432) | |
| Furongian | Argentina (Salta) | L. sp. (199753) | |
| Merioneth | USA (Vermont) | L. hedini (6870 6871) | |
| Sunwaptan | Canada (Quebec) | Agnostus americanus (56819) | |
| Sunwaptan | Argentina | L. peladensis (235993) | |
| Sunwaptan | Argentina (Mendoza) | L. peladensis (9934) | |
| Sunwaptan | Canada (Newfoundland and Labrador) | L. hedini (81269) | |
| Aksaian | Kazakhstan | L. extremus (118465 118467) L. extremus, L. scrobicularis (118885) L. extremus, L. scrobicularis, L. pseudohedini, L. cristus, L. agnostiformis (118487) L. obscurus (118382 118385 118386 118387 118388) L. scrobicularis (118485) L. scrobicularis, L. cristus (118878) L. scrobicularis, L. pseudohedini, L. agnostiformis (118876 118881) L. scrobicularis, L. pseudohedini, L. cristus, L. agnostiformis (118481 118486 118872) | |
| Dolgellian | Argentina (Mendoza) | L. peladensis (9931) L. peladensis, L. lasherensis (9812) | |
| Trempealeauan | Canada (Quebec) | Agnostus americanus (224136 224139) | |
| Trempealeauan | Canada (Yukon) | L. americanus (55307) | |
| Trempealeauan | USA (Nevada) | L. trisectus (75438) | |
| Batyrbaian | Kazakhstan | L. scrobicularis (118892) | |
| Niuchehean | Russian Federation (Sakha) | L. agnostiformis, L. americanus (133621 133624) L. americanus (133625 133626) L. sp., L. agnostiformis, L. americanus (133622 133623) L. sp., L. americanus (133627) | |
| Niuchehean | China (Hunan) | L. punctatus (107328 126671 126672 126673 126675 126677 126723) L. punctatus, L. celatus (126724) | |
| Niuchehean | China (Zhejiang) | L. hedini (125670 125706 125707 125709) L. punctatus (125701 125703) Trilobagnostus ergodes (125702) | |
| Payntonian - Datsonian | Australia (Tasmania) | L. trisectus (62278 62280 62281) | |
| Tremadocian | Canada (Newfoundland and Labrador) | L. hedini, L. americanus (81289) |