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Leptocoeliidae
Taxonomy
Leptocoeliidae was named by Boucot and Gill (1956).
It was assigned to Dayiacea by Bassett and Cocks (1974); and to Rhynchotrematoidea by Williams et al. (2002), Boucot et al. (2008).
It was assigned to Dayiacea by Bassett and Cocks (1974); and to Rhynchotrematoidea by Williams et al. (2002), Boucot et al. (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Leptocoeliidae Boucot and Gill |
| 1974 | Leptocoeliidae Bassett and Cocks |
| 2002 | Leptocoeliidae Williams et al. p. 1081 |
| 2008 | Leptocoeliidae Boucot et al. |
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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. †Leptocoeliidae Boucot and Gill 1956
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G. †Australocoelia
G. †Eocoelia Nikiforova 1961
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†Eocoelia akimiskii Jin 2003
†Eocoelia angelini Lindström 1861
†Eocoelia curtisi Ziegler 1966
†Eocoelia hemisphaerica Sowerby 1839
†Eocoelia sulcata Prouty 1923
G. †Leptocoelia
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G. †Pacificocoelia Boucot 1975
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†Leptocoelia infrequens globosa Johnson 1970
†Pacificocoelia infrequens Walcott 1884
G. †Platytrochalos Jin 1989
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†Platytrochalos crudicostatus Jin 1989
†Platytrochalos peninversus Jin 1989
†Platytrochalos pulvinatus Jin 1989
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Rhuddanian to the top of the Early/Lower Givetian or 443.10000 to 385.90000 Ma
Collections (302 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rhuddanian | Canada (Quebec) | Platytrochalos peninversus (158623 158624) | |
| Rhuddanian | United Kingdom (Wales) | Eocoelia sp. (8407) | |
| Rhuddanian | Argentina (San Juan) | Anabaia n. sp. (25093 185894 185895 185902) Anabaia sp. (203574) | |
| Rhuddanian - Aeronian | Russian Federation (Siberia) | Eocoelia hemisphaerica (206542 206543 206560) | |
| Alexandrian | Canada (Québec) | Eocoelia hemisphaerica (25049) | |
| Alexandrian - Ontarian | Canada (Québec) | Eocoelia sp. (24594 24595 24596) | |
| Llandovery | Canada (Québec) | Eocoelia curtisi (24540 25160) Eocoelia intermedia (25119) Eocoelia sp. (24539) Eocoelia sulcata (25120) | |
| Llandovery | USA (New York) | Eocoelia hemispherica (13290) Eocoelia sp. (452 459) Eocoelia sulcata (77054) | |
| Llandovery | Russian Federation (Siberia) | Eocoelia hemisphaerica (206319) | |
| Llandovery | Paraguay | Anabaia paraia, Eocoelia paraguayensis (25570) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Eifelian | Brazil (Parana) | Australocoelia tourteloti (37075) | |
| Eifelian | Bolivia (Chuquisaca) | Australocoelia palmata (36048) | |
| Eifelian | Brazil (Para) | Leptocoelia sp. (37137) | |
| Eifelian | South Africa | Australocoelia sp. (35595) | |
| Eifelian | USA (Virginia) | Leptocoelia sp. (6993) | |
| Eifelian - Givetian | Brazil (Santa Catarina) | Australocoelia sp. (37140 37141) | |
| Eifelian - Givetian | Brazil (Goias) | Australocoelia sp. (37167 37169) | |
| Eifelian - Frasnian | Brazil (Parana) | Australocoelia tourteloti (37076) | |
| Middle Devonian - Late/Upper Devonian | Colombia | Leptocoeliidae indet. (35883) | |
| Early/Lower Givetian | Brazil (Parana) | Australocoelia palmata (106996) | |