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Chancelloriida
Taxonomy
Chancelloriida was named by Walcott (1920).
It was assigned to Coeloscleritophora by Sepkoski (2002) and Skovsted (2006).
It was assigned to Coeloscleritophora by Sepkoski (2002) and Skovsted (2006).
Subtaxa
Synonymy list
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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.
Or. †Chancelloriida Walcott 1920
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Fm. †Chancelloriidae Walcott 1920
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G. †Aldania Vasil'yeva 1985
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†Aldania auriculata Samylina 1956
†Aldania sulugurica Vasil'yeva and Sayutina 1988
G. †Aldanospina Missarzhevsky 1989
G. †Allonnia Doré and Reid 1965
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†Allonnia phrixothrix Bengtson and Hou 2001
†Allonnia tripodophora Doré and Reid 1965
Invalid names: Dimidia Luo and Jiang 1982 [synonym], Onychia Luo and Jiang 1982 [synonym], Rosella Vassiljeva and Sayutina 1988 [synonym], Zhurinia Missarzhevsky 1989 [synonym]
G. †Archiasterella Sdzuy 1969
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†Archiasterella elegans Gravestock et al. 2001
†Archiasterella pentactina Sdzuy 1969
†Archiasterella tetraspina Vassiljeva and Sayutina 1993
G. †Chancelloria Walcott 1920
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†Chancelloria arida Duan 1984
†Chancelloria coronacea Vassiljeva 1985
†Chancelloria eros Walcott 1920
†Chancelloria iranica Mostler and Mosleh-Yazdi 1976
†Chancelloria obliqua Gravestock et al. 2001
†Chancelloria odontodes Duan 1984
†Chancelloria pentacta Rigby 1978
†Chancelloria primaria Missarzhevsky 1989
†Chancelloria racemifundis Bengston 1990
†Chancelloria sardinica Mostler 1985
†Chancelloria simmetrica Vassiljeva 1985
†Chancelloria spinulosa Vassiljeva 1985
†Chancelloria symmetrica Vassiljeva 1985
Invalid names: Actinoites Duan 1984 [synonym], Fangxianites Duan 1984 [synonym], Monospinites Vassiljeva and Sayutina 1988 [synonym], Stellaria Vassiljeva 1985 [synonym], Stellispinella Vassiljeva and Sayutina 1993 [synonym]
G. †Chancelloriella Demidenko 2000
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†Chancelloriella bella Demidenko 2000
†Chancelloriella irregularis Qian 1989
G. †Eremactis Bengston and Conway-Morris 1990
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†Eremactis conara Bengtson et al. 1990
†Eremactis guttiformis Gravestock et al. 2001
†Eremactis mawsoni Bengtson 1990
†Eremactis plicatus Gravestock et al. 2001
G. †Diplospinella
G. †Elkanospina
G. †Ginospina
Fm. †Sachitidae Meshkova 1969
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G. †Sachites Meshkova 1969
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†Sachites alatus Duan 1984
†Sachites desquamatus Duan 1984
†Sachites folliformis Duan 1984
†Sachites longus Qian 1977
†Sachites maidipingensis Qian 1977
†Sachites minus Qian et al. 1979
†Sachites terastios Qian et al. 1979
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: base of the Meishucunian to the top of the Furongian or 530.70000 to 485.40000 Ma
Collections (346 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | Russian Federation (Khabarovsk) | Chancelloria sp. (99465) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk Krai) | Chancelloria sp. (50367) | |
| Nemakit-Daldynian | China (Shaanxi) | Chancelloria eros (86566 86568) | |
| Nemakit-Daldynian | Russian Federation (Siberia) | Chancelloria sp. (50317 50419) Sachites sp. (50427) | |
| Nemakit-Daldynian | Russian Federation (Sakha) | Chancelloria sp. (99461) | |
| Nemakit-Daldynian | China (Yunnan) | Chancelloria sp. (96432) Sachites sp. (8089) | |
| Nemakit-Daldynian - Tommotian | Russian Federation (Sakha) | Chancelloria sp. (99229) | |
| Placentian | USA (Massachusetts) | Chancelloria sp. (56828 56834 56836) | |
| Placentian | Canada (Nova Scotia) | Chancelloria sp. (86746) | |
| Caerfai | Canada (Northwest Territories) | Chancelloriida indet. (49080) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Middle Cambrian | Italy (Sardinia) | Archiasterella sp., Chancelloria maroccana, Archiasterella pentactina, Chancelloria sardinica (122016) | |
| Middle Cambrian | Greenland | Chancelloriida indet. (193556) | |
| Middle Cambrian | Australia (Northern Territory) | Chancelloriida indet. (9873) | |
| St Davids | Argentina | Chancelloria sp. (56546) | |
| St Davids | USA (Utah) | Chancelloria sp. (216) Chancelloria sp., Chancelloria eros, Chancelloria pentacta (121233) | |
| St Davids | Canada (British Columbia) | Chancelloria eros (122094) Chancelloria sp. (215 122017) | |
| Drumian | USA (Utah) | Chancelloria sp. (230679) | |
| Marjumian | USA (Utah) | Chancelloria sp. (56144) Chancelloria sp., Chancelloria eros, Chancelloria pentacta (230682) | |
| Dresbachian | USA (Indiana) | Chancelloria sp. (232) | |
| Furongian | Iran | Chancelloria sp., Archiasterella pentactina, Chancelloria iranica (121298) | |