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Cycloconchidae
Taxonomy
Cycloconchidae was named by Ulrich (1884) [m. kosnik taxon no: 5033].
It was assigned to Modiomorphacea by Newell (1965); to Cycloconchacea by Cox et al. (1969), Vokes (1980); to Actinodontoidea by Cope (1996), Sánchez (2001); to Cycloconchoidea by Nevesskaja (2009), Bouchet et al. (2010); and to Anodontopsoidea by Carter et al. (2011), Wang et al. (2025).
It was assigned to Modiomorphacea by Newell (1965); to Cycloconchacea by Cox et al. (1969), Vokes (1980); to Actinodontoidea by Cope (1996), Sánchez (2001); to Cycloconchoidea by Nevesskaja (2009), Bouchet et al. (2010); and to Anodontopsoidea by Carter et al. (2011), Wang et al. (2025).
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Cycloconchidae Ulrich |
| 1965 | Cycloconchidae Newell p. 18 |
| 1969 | Cycloconchidae Cox et al. p. N399 |
| 1980 | Cycloconchidae Vokes p. 71 |
| 1996 | Cycloconchidae Cope p. 995 |
| 2001 | Cycloconchidae Sánchez p. 188 |
| 2009 | Cycloconchidae Nevesskaja |
| 2010 | Cycloconchidae Bouchet et al. |
| 2011 | Cycloconchidae Carter et al. p. 13 |
| 2025 | Cycloconchidae Wang et al. p. 5 |
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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. †Cycloconchidae Ulrich 1884
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G. †Actinodonta Philipps 1848
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†Actinodonta cuneata Phillips and Salter 1848
†Actinodonta naranjoana de Verneuil and Barrande 1855
†Actinodonta ramseyensis Hicks 1873
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Invalid names: Actinodonta cambriensis Hicks 1873 [synonym], Actinodonta homfrayi Hicks 1873 [synonym], Actinodonta ornata Hicks 1873 [synonym], Actinodonta plana Hicks 1873 [synonym]
Invalid names: Davidia Hicks 1873 [synonym]
G. †Ananterodonta Babin and Gutiérrez-Marco 1985
G. †Cycloconcha
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†Cycloconcha mediocardinalis Miller 1874
†Cycloconcha speciosa McCoy 1846
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Invalid names: Cycloconcha orbicularis de Sowerby and Murchison 1839 [synonym]
Subfm. †Cycloconchinae Ulrich 1894
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G. †Pseudocyrtodonta Pfab 1934
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†Pseudocyrtodonta ala Barrande 1881
†Pseudocyrtodonta obtusa Barrande 1881
G. †Fasciculodonta Fang and Cope 2004
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†Fasciculodonta curvata Wang et al. 2025
†Fasciculodonta fengyiensis Guo 1985
†Fasciculodonta impressa Fang and Cope 2004
Subfm. †Taselasmodinae Fang and Cope 2008
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Meyer et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Moridunian to the top of the Late/Upper Miocene or 477.10000 to 5.33300 Ma
Collections (107 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Moridunian | United Kingdom (Wales) | Actinodonta sp. (3682) Carminodonta crossi, Fortowensia grandis, Celtoconcha foveata (87601) Davidia ornata, Davidia plana, Modiolopsis ramseyensis, Modiolopsis homfrayi, Modiolopsis cambriensis (89324) | |
| Arenig - Floian | China (Yunnan) | Taselasmodum deccusatum (200941) | |
| Floian | China (Yunnan) | Taselasmodum septatum (200939) | |
| Arenig | Argentina | Catamarcaia chaschuilensis (210685) Catamarcaia sp. (8783 8875) | |
| Arenig | France (Loire-Atlantique, Ille-et-Vilaine, and Manche) | Actinodonta sp. (20864) | |
| Arenig | United Kingdom (Wales) | Actinodonta sp. (426) | |
| Arenig | Argentina (La Rioja) | Catamarcaia chaschuilensis (169613) Famatinadonta gonzaloi (49050) | |
| Arenig | France (Ille-et-Vilaine) | Actinodonta sp. (20852) Actinodonta sp., Actinodonta carinata, Actinodonta acuta (20860) | |
| Whitlandian | United Kingdom (Wales) | Actinodonta ramseyensis (3713 3714 166752) | |
| Dapingian | China | Fasciculodonta impressa (232222 232223 232224) Taselasmodum decussatum, Fasciculodonta impressa, Fasciculodonta fengyiensis (232225) | |
| Sarka | Czechia (Plzeňský) | Leda ala, Pseudocyrtodonta ala, Tatula petula (95016) Pseudocyrtodonta ala (149355) | |
| Sarka | Czechia | Pseudocyrtodonta ala, Pseudocyrtodonta obtusa (3857) Tatula petula (232240) | |
| Darriwilian | Australia (Northern Territory) | Copidens browni (79178 79179 79318) | |
| Darriwilian | Australia (Queensland) | Copidens browni (77521 77760 79125) | |
| Darriwilian | China (Yunnan) | Fasciculodonta curvata (241206) Fasciculodonta fengyiensis (241199 241200) Fasciculodonta impressa (241205 241211) Fasciculodonta impressa, Fasciculodonta curvata (241207 241212 241213 241214) Fasciculodonta impressa, Fasciculodonta fengyiensis (241060) | |
| Darriwilian - Sandbian | China (Guangdong) | Carminodonta sp., Famatinadonta sp. (275440) | |
| Oretanian | Spain (Toledo) | Ananterodonta sp. (20898) | |
| Llanvirn | Argentina | Cycloconcha sp. (8893) | |
| Dobrotivian | Czechia | Pseudocyrtodonta ala (3859) | |
| Dobrotivian | France (Finistere) | Actinodonta naranjoana (20865) Actinodonta sp. (20858) | |
| Dobrotivian | France (Ille-et-Vilaine) | Actinodonta sp. (20859) | |
| Dobrotivian | Spain (East Sierra Morena) | Actinodonta sp. (20834) | |
| Zahorany | Czechia (Prague) | Nucula obtusa (52739) | |
| Vinice - Late/Upper Ordovician | Czechia | Pseudocyrtodonta ala (3863) | |
| Zahorany - Late/Upper Ordovician | Czechia | Pseudocyrtodonta obtusa (3865) | |
| Soudleyan - Longvillian | United Kingdom (Northern Ireland) | Cycloconcha speciosa (13840) | |
| Soudleyan - Marshbrookian | United Kingdom (England) | Avicula orbicularis (3654) | |
| Caradoc | Argentina (San Juan) | Cycloconchidae indet. (13513) | |
| Shermanian | USA (Kentucky) | Cycloconcha ovata (87822) | |
| Actonian | United Kingdom (Wales) | Cycloconchidae indet. (76475) | |
| Actonian - Onnian | United Kingdom (England) | Avicula orbicularis (3656 3658) | |
| Katian | Czechia (Praha) | Pseudocyrtodonta obtusa (149357) | |
| Katian | Czechia (Bohemia) | Pseudocyrtodonta obtusa (149356) | |
| Edenian | USA (Ohio) | Cycloconcha sp. (385) | |
| Richmondian | USA (Indiana) | Cycloconcha milleri (64170) | |
| Richmondian | USA (Kentucky) | Cycloconcha milleri (64166 64167) | |
| Richmondian | USA (Ohio) | Cycloconcha sp. (367) | |
| Richmondian - Ashgill | USA (Ohio) | Cycloconcha sp. (392) | |
| Ashgill | USA (Indiana) | Cycloconcha milleri (64164 64224 64225 64232) | |
| Hirnantian | Czechia (Praha) | Myoplusia obtusa (149320) | |
| Eifelian | Canada (Northwest Territories) | Cycloconchidae indet. (35523) | |
| Eifelian | Canada (Nunavut) | Cycloconchidae indet. (35529) | |
| Early/Lower Givetian | Canada (Nunavut) | Cycloconchidae indet. (35528) | |
| Middle Givetian | Canada (Northwest Territories) | Cycloconchidae indet. (35519) | |
| Late/Upper Givetian | Canada (Northwest Territories) | Cycloconchidae indet. (35530) | |
| Early/Lower Paleocene | USA (Montana) | Viburnum tilioides (53692) | |
| Paleocene | USA (Wyoming) | Viburnum antiquum (57967) Viburnum tilioides (43303) | |
| Paleocene | USA (North Dakota) | Viburnum antiquum (40390 58046) Viburnum tilioides (40103 58037 58038) | |
| Paleocene | USA (Montana) | Viburnum antiquum (40891) Viburnum antiquum, Viburnum tilioides (40092 40094) Viburnum tilioides (40746 43407 53601 53608 53940) | |
| Paleocene | USA (Colorado) | Viburnum tilioides (53084) | |
| Tiffanian | USA (Wyoming) | Davidia antiqua (28640 28641 28643) | |
| Late/Upper Paleocene | USA (Wyoming) | Davidia antiqua (28656 28670 129153 129222 129223) | |
| Clarkforkian | USA (Wyoming) | Davidia antiqua (28651 28654) | |
| Early/Lower Eocene | USA (Colorado) | Viburnum antiquum, Viburnum tilioides (53070) | |
| Eocene | USA (Oregon) | Davidia sp. (237755) | |
| Late/Upper Miocene | Japan (Gunma) | Davidia kabutoiwana (22755) |