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Amplexidae
Taxonomy
Amplexidae was named by Chapman (1893). It is not extant.
It was assigned to Cyathaxoniicae by Hill (1956); and to Stauriina by Hill (1981).
It was assigned to Cyathaxoniicae by Hill (1956); and to Stauriina by Hill (1981).
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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.
Fm. †Amplexidae Chapman 1893
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G. †Altaiophyllum Ivaniya 1955
G. †Amplexoides Wang 1947
G. †Amplexus Sowerby 1814
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†Amplexus arundinaceus Lonsdale 1845
†Amplexus breviseptatus Wu and Zhao 1982
†Amplexus coralloides Sowerby 1814
†Amplexus pustulosus Hudleston 1883
†Amplexus salamonensis de Gregorio 1930
G. †Bordenia Greene 1901
G. †Heterophrentis Billings 1875
G. †Lindstroemophyllum Wang 1947
G. †Liuzhaiphylloides Ding 1995
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†Liuzhaiphylloides permianica Ding 1995
†Liuzhaiphylloides polygonalis Ding 1995
†Liuzhaiphylloides regularis Ding 1995
G. †Pilophyllia Ge and Yü 1974
G. †Protopilophyllum Ivanovskiy 1963
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Silurian to the top of the Capitanian or 443.80000 to 259.51000 Ma
Collections (287 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ashgill | China (GanSu) | Protopilophyllum sp. (8546) | |
| Ashgill - Wenlock | Canada (Northwest Territories) | Amplexus propinguis (188781) Amplexus propinquis (188780) | |
| Silurian | USA (California) | Amplexus sp. (230235) | |
| Rhuddanian | Canada (Quebec) | Amplexoides sp. (12938) | |
| Llandovery | Canada (Ontario) | Amplexus sp. (461) | |
| Llandovery - Wenlock | China (Xizang) | Amplexoides sp. (27745) | |
| Llandovery - Wenlock | USA (Nevada) | Amplexoides sp., Amplexoides radicosi (24787) | |
| Llandovery - Ludlow | China (Xinjiang) | Amplexoides borohoroensis (27764) | |
| Aeronian | China | Amplexoides sp., Pilophyllia sp. (61428) | |
| Aeronian | China (Guizhou) | Amplexoides chaoi (27847) Amplexoides chaoi, Pilophyllia sp. (27835) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Kungurian | China (Jiangsu) | Amplexus breviseptatus (100771) | |
| Roadian | USA (Texas) | Amplexus sp. (108862) | |
| Roadian - Wordian | Myanmar | Amplexus sp. (208999) | |
| Roadian - Wordian | Indonesia | Amplexus arundinaceus (39608) | |
| Roadian - Wordian | Vietnam | Amplexus sp. (139251) | |
| Wordian | Italy | Amplexus salamonensis (233340) | |
| Wordian | China (Nei Mongol) | Amplexus sp. (109168) | |
| Capitanian | USA (Texas) | Amplexus sp. (108801 108859) | |
| Wuchiapingian | Indonesia | Amplexus coralloides (132787) | |
| Wuchiapingian | Azerbaijan | Amplexus henslowi (232366) | |