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Hemisphaeramminidae

Hemisphaeramminidae

Taxonomy
Hemisphaeramminidae was named by Loeblich and Tappan (1961). It is extant.

It was assigned to Astrorhizacea by Loeblich and Tappan (1988).

Synonymy list
YearName and author
1961Hemisphaeramminidae Loeblich and Tappan p. 36
1988Hemisphaeramminidae Loeblich and Tappan

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
suborderTextulariinaDelage and Hérouard 1896
RankNameAuthor
superfamilyAstrorhizaceaBrady 1881
familyHemisphaeramminidaeLoeblich and Tappan 1961
familyHemisphaeramminidaeLoeblich and Tappan 1961

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. Hemisphaeramminidae Loeblich and Tappan 1961
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Subfm. Crithionininae Hofker 1972
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G. Crithionina Goës 1894
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G. Masonella Brady 1889
G. Pseudowebbinella Shchedrina 1962
G. Verrucina Goes 1896
Subfm. Hemisphaerammininae Loeblich and Tappan 1961
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G. Ammopemphix Loeblich 1952
G. Iridia Heron-Allen and Earland 1914
G. Lacustrinella Loeblich and Tappan
G. †Mesammina
Subfm. Oryctoderminae Saidova 1981
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G. Discobotellina Collins 1958
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: agglutinatedsubo
Locomotion: stationaryo
Life habit: infaunalsubo
Diet: detritivoresubo
Created: 2007-11-25 07:07:30
Modified: 2009-05-20 07:15:32
Source: subo = suborder, o = order
References: Loeblich and Tappan 1984, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Tommotian to the top of the Berriasian or 525.50000 to 139.80000 Ma
Minimum age of oldest fossil (stem group age): 516.0 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Tommotian - Atdabanian525.5 - 516.0Guinea Hemisphaerammina sp. (7790)
Eifelian393.3 - 387.7Myanmar Hemisphaerammina bradyi (25737)
Early/Lower Givetian388.1 - 383.7Germany Webbinelloidea hemispherica (227413)
Berriasian145.0 - 139.8Russian Federation Crithionina sp. (65700)
Early/Lower Valanginian140.2 - 136.4Russian Federation Crithionina sp. (65744 65748)
Late/Upper Valanginian140.2 - 136.4Russian Federation Crithionina sp. (65751)