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Elphidiidae
Taxonomy
Elphidiidae was named by Galloway (1933).
It was assigned to Rotalioidea by Bertels (1964); and to Rotaliacea by Gibson (1983) and Margerel (2012).
It was assigned to Rotalioidea by Bertels (1964); and to Rotaliacea by Gibson (1983) and Margerel (2012).
Subtaxa
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.
Fm. †Elphidiidae Galloway 1933
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G. †Bangiana Drobne et al. 2007
G. †Cellanthus Montfort 1808
Subfm. Elphidiinae Galloway 1933
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G. Cribroelphidium Cushman and Bronnimann 1948
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Cribroelphidium galeroense McCulloch 1977
Cribroelphidium poeyanum d'Orbigny 1839
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
G. Porosononion Voloshinova 1958
Subfm. †Faujasininae Bermúdez 1952
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G. †Ammoelphidiella Conato and Segre 1974
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†Ammoelphidiella pustulosa Leckie and Webb 1986
Invalid names: Trochoelphidiella Leckie and Webb 1986 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Danian to the top of the Holocene or 66.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Minimum age of oldest fossil (stem group age): 61.6 Ma
Collections (251 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Slovakia (Senica District) | Bangiana hanseni (216022) | |
| Ypresian | USA (Washington) | Elphidium sp. (146905) | |
| Early/Lower Eocene | Mexico (Chiapas) | Elphidium nassauensis (85738) | |
| Early/Lower Eocene | Belgium (Vlaanderen) | Elphidium laeve (94039) | |
| Early/Lower Eocene - Middle Eocene | Trinidad and Tobago | Elphidium advenum, Elphidium sagrum (140160) | |
| Lutetian | USA (Florida) | Elphidium sp. A (41452) | |
| Lutetian | USA (California) | Elphidium californicum (16712) | |
| Lutetian | United Kingdom (England) | Elphidium latedorsatum (41966) | |
| Lutetian | Libya | Elphidium sp. (42138 49943) | |
| Middle Eocene | Japan (Hokkaido) | Elphidium sorachiense, Elphidium sp. (103769) | |
| Middle Eocene - Late/Upper Eocene | Iran | Elphidium sp. (205345) | |
| Priabonian | Libya | Elphidium sp. (77237) | |
| Priabonian | Namibia (Sperrgebiet) | Elphidium crispum, Elphidium sp. (149316) | |
| Late/Upper Eocene | USA (Louisiana/Texas) | Elphidium sp. (45017) | |
| Early/Lower Oligocene | Oman (Dhofar) | Elphidium sp. (162464) | |
| Oligocene | Indonesia | Elphidium sp. (61740) | |
| Oligocene | North Atlantic | Elphidium excavatum, Elphidium antoninum (121377) Elphidium groenlandicum, Elphidium hiltermanni (121375) | |
| Rupelian - Chattian | Canada (British Columbia) | Elphidium californicum (209758) | |
| Late/Upper Oligocene | North Atlantic | Elphidium hiltermanni (121378) | |
| Late/Upper Oligocene | USA (Louisiana) | Elphidium poeyanum (44521) | |