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Discorbidae
Taxonomy
Discorbidae was named by Ehrenberg (1838).
It was assigned to Rotalioidea by Bertels (1964); to Discorbacea by Gibson (1983), Margerel (2012); and to Discorboidea by Carignano (2012), Missotti (2022).
It was assigned to Rotalioidea by Bertels (1964); to Discorbacea by Gibson (1983), Margerel (2012); and to Discorboidea by Carignano (2012), Missotti (2022).
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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. †Discorbidae Ehrenberg 1838
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G. Buccella
G. Discorbina Carpenter et al. 1862
Subfm. Discorbinae Ehrenberg 1838
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G. Eponides Montfort 1808
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†Eponides ellisorae Garret 1939
†Eponides keenani Cushman and Kleinpell 1934
†Eponides kleinpelli Cushman and Frizzell 1940
†Eponides lodoensis Martin 1943
†Eponides lunata Brotzen 1948
†Eponides mexicana Cushman 1925
Eponides parantillarum McCulloch 1977
†Eponides toulmini Brotzen 1948
Eponides umbonatus Reuss 1851
G. Hanzawaia Asano 1944
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†Hanzawaia asterizana Huang et al. 2019
†Hanzawaia castellaroae Bertels 1964
†Hanzawaia illingi Nuttall 1928
G. Rosalina d'Orbigny 1826
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Rosalina aguayoi Bermudez 1935
Rosalina floridensis Cushman 1931
Rosalina globularis d'Orbigny 1826
Rosalina obtusa d'Orbigny 1846
Rosalina orientalis Cushman 1915
†Rosalina patagonica Náñez and Malumián 2008
Rosalina valvulata d'Orbigny 1826
G. Valvulineria Cushman 1926
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Valvulineria candeiana d'Orbigny 1839
†Valvulineria lenae Bertels 1964
†Valvulineria tumeyensis Cushman and Simonson 1944
†Valvulineria wilcoxensis Cushman and Ponton 1932
G. Discorbis Lamarck 1804
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†Discorbis midwayensis Cushman 1940
†Discorbis vesicularis Lamarck 1804
G. †Discorinopsis
G. †Rotorbinella Bandy 1944
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†Rotorbinella packardi Bandy 1949
Rotorbinella rosea d'Orbigny 1826
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 Late/Upper Pliensbachian to the top of the Holocene or 189.60000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 183.0 Ma
Minimum age of oldest fossil (stem group age): 183.0 Ma
Collections (394 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Pliensbachian | Germany (Bavaria) | Discorbis sp. (51275) | |
Callovian | Egypt | Discorbis dreheri (99486) | |
Callovian | Saudi Arabia | Conicospirillina basiliensis (48881) Discorbis sp. (48602) | |
Middle Callovian - Late/Upper Callovian | Saudi Arabia | Conicospirillina basiliensis (34544) | |
Oxfordian | Saudi Arabia | Conicospirillina basiliensis (46049 46050) | |
Late/Upper Oxfordian | Switzerland | Discorbis speciosus (61723) | |
Late/Upper Oxfordian | Romania | Discorbis danubiensis (35199) | |
Middle Oxfordian | Germany (Niedersachsen) | Mohlerina basiliensis (98352) | |
Late/Upper Oxfordian - Early/Lower Kimmeridgian | France (Normandy) | Conicospirillina basiliensis (23539) | |
Early/Lower Kimmeridgian | Poland | Discorbis subspeciosus (78624) | |
Late/Upper Kimmeridgian | Algeria | Conicospirillina basiliensis (85907) | |
Late/Upper Kimmeridgian | Austria | Discorbis sp., Conicospirillina basiliensis (36222 36223) | |
Late/Upper Kimmeridgian - Tithonian | Bulgaria | Mohlerina basiliensis (151486) | |
Tithonian | Ukraine | Mohlerina basiliensis (62370) | |
Tithonian | Poland | Mohlerina basiliensis (151577 151579) | |
Tithonian - Berriasian | Austria | Conicospirillina basiliensis (68261) | |
Late/Upper Tithonian | Italy | Mohlerina basiliensis (68259) | |
Early/Lower Berriasian | Romania (Bicaz Gorges) | Mohlerina sp. (138717) | |
Berriasian | Turkey | Mohlerina sp. (173371) | |
Berriasian | Ukraine | Discorbis crimicus, Siphoninella antiqua (162310) |