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Elphidium
Taxonomy
Elphidium was named by Monfort (1808) [Sepkoski's age data: T Eo-l R]. It is extant.
It was assigned to Ramulininae by Cushman (1927); to Elphidiidae by Gibson (1983); to Nonionidae by Dorreen (1948), Asano (1949) and Wienrich (1997); to Foraminiferida by Sepkoski (2002); and to Elphidiinae by Loeblich and Tappan (1984) and Margerel (2012).
It was assigned to Ramulininae by Cushman (1927); to Elphidiidae by Gibson (1983); to Nonionidae by Dorreen (1948), Asano (1949) and Wienrich (1997); to Foraminiferida by Sepkoski (2002); and to Elphidiinae by Loeblich and Tappan (1984) and Margerel (2012).
Species
Species lacking formal opinion data
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.
G. Elphidium Monfort 1808
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Elphidium advenum Cushman 1922
†Elphidium asagaiense Asano 1949
†Elphidium californicum Cook 1959
Elphidium discoidale d'Orbigny 1839
Elphidium ingressans Dorreen 1948
Elphidium lanieri d'Orbigny 1839
†Elphidium latispatium Poag 1966
†Elphidium latispatium pontium d'Orbigny 1948
Elphidium margaritaceum Cushman 1930
†Elphidium neocrespinae Gibson 1983
†Elphidium nitidium Dorreen 1948
Elphidium oceanicum Cushman 1933
†Elphidium omotoensis Dorreen 1948
Elphidium sagrum d'Orbigny 1839
Elphidium simplex Cushman 1933
†Elphidium yumotoense Asano 1949
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Eocene to the top of the Holocene or 55.80000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma
Minimum age of oldest fossil (stem group age): 48.6 Ma
Collections (246 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | USA (Washington) | E. sp. (146905) | |
| Early/Lower Eocene | Belgium (Vlaanderen) | E. laeve (94039) | |
| Early/Lower Eocene | Mexico (Chiapas) | E. nassauensis (85738) | |
| Early/Lower Eocene - Middle Eocene | Trinidad and Tobago | E. advenum, E. sagrum (140160) | |
| Lutetian | Libya | E. sp. (42138 49943) | |
| Lutetian | USA (Florida) | E. sp. A (41452) | |
| Lutetian | USA (California) | E. californicum (16712) | |
| Lutetian | United Kingdom (England) | E. latedorsatum (41966) | |
| Middle Eocene | Japan (Hokkaido) | E. sorachiense, E. sp. (103769) | |
| Middle Eocene - Late/Upper Eocene | Iran | E. sp. (205345) | |
| Priabonian | Namibia (Sperrgebiet) | E. crispum, E. sp. (149316) | |
| Priabonian | Libya | E. sp. (77237) | |
| Late/Upper Eocene | USA (Louisiana/Texas) | E. sp. (45017) | |
| Early/Lower Oligocene | Oman (Dhofar) | E. sp. (162464) | |
| Oligocene | North Atlantic | E. excavatum, E. antoninum (121377) E. groenlandicum, E. hiltermanni (121375) | |
| Oligocene | Indonesia | E. sp. (61740) | |
| Rupelian - Chattian | Canada (British Columbia) | E. californicum (209758) | |
| Late/Upper Oligocene | Japan | E. asagaiense, E. yumotoense (91371) | |
| Late/Upper Oligocene | North Atlantic | E. hiltermanni (121378) | |
| Late/Upper Oligocene | USA (Louisiana) | E. poeyanum (44521) | |