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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: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013 | |||||
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 | United Kingdom (Wales) | Eocoelia sp. (8407) | |
| Rhuddanian | Argentina (San Juan) | Anabaia n. sp. (25093 185894 185895 185902) Anabaia sp. (203574) | |
| Rhuddanian | Canada (Quebec) | Platytrochalos peninversus (158623 158624) | |
| 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 | Russian Federation (Siberia) | Eocoelia hemisphaerica (206319) | |
| Llandovery | United Kingdom (England) | Eocoelia sp. (464) | |
| Llandovery | Canada (Nova Scotia) | Eocoelia curtisi (3057 3059 3060 3061 3062 3063 3065 3066 3134 3136 3137 3147) Eocoelia hemisphaerica (3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045) Eocoelia intermedia (3046 3047 3048 3051 3052 3053 3054 3055 3056) Eocoelia sulcata (3149 3151 3159 3160 3164 3165 3167 3170 3172 3174 3176 3178 3185 3187 3188 3189 3190 3192 3193 3200 3201 3202 3203 3204 3205 3206) | |
| Llandovery | Paraguay | Anabaia paraia, Eocoelia paraguayensis (25570) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Eifelian | Bolivia (Tarija) | Australocoelia palmata (36059 36061) | |
| Eifelian | South Africa | Australocoelia sp. (35595) | |
| Eifelian | Venezuela | Leptocoelia sp. (35897 35898) | |
| Eifelian | USA (Virginia) | Leptocoelia sp. (6993) | |
| Eifelian | Bolivia (Cochabamba) | Australocoelia palmata (36078) | |
| 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) | |