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Plectofrondicularinae

Heterohelicidae

Taxonomy
Plectofrondicularinae is a subfamily.

It was assigned to Heterohelicidae by Cushman (1927).

Subtaxa
Amphimorphina

Synonymy list
YearName and author
1927Plectofrondicularinae Cushman p. 62

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
superfamilyGlobigerinaceae(Carpenter et al. 1862)
RankNameAuthor
familyHeterohelicidaeCushman 1927
subfamilyPlectofrondicularinae
subfamilyPlectofrondicularinae

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.

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†Amphimorphina ignota Cushman and Siefgus 1939
†Amphimorphina jenkinsi Church 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: stationaryo
Life habit: semi-infaunalo
Diet: omnivoreo
Created: 2007-11-28 00:47:02
Modified: 2009-05-20 05:31:44
Source: o = order
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Bartonian to the top of the Aquitanian or 41.30000 to 20.44000 Ma
Minimum age of oldest fossil (stem group age): 38.0 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Lutetian - Bartonian47.8 - 38.0USA (Washington) Amphimorphina californica (43340)
Bartonian41.3 - 38.0USA (California) Amphimorphina ignota (185234 186057)
Aquitanian23.03 - 20.44Austria Amphimorphina haueriana (99160)