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Protozoa - Entactinaria - Entactiniidae

Synonymy list
YearName and author
1997Retentactinia Won
2001Retentactinia De Wever et al. p. 181
2014Retentactinia Takahashi and Miyake p. 281
2017Retentactinia Noble et al. p. 447

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classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
subclassRadiolaria(Müller 1858)
superorderPolycystina(Ehrenberg 1838)
orderEntactinariaKozur and Mostler 1982
familyEntactiniidaeRiedel 1967

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. †Retentactinia Won 1997
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Retentactinia dellensus Park and Won 2012
Retentactinia kelleri Afanasieva 2000
Retentactinia kycungensis Takahashi 2014
Retentactinia levis Won 1997
Retentactinia longa Won 1997
Retentactinia parvisphaera Takahashi 2014
Retentactinia spongiosa Seo and Won 2009
No diagnoses are available
No measurements are available
Composition: silicap
Environment: marinep
Locomotion: passively mobilep
Life habit: planktonicp
Diet: omnivorep
Created: 2005-01-28 01:13:47
Modified: 2005-01-28 03:13:47
Source: p = phylum
Reference: Kiessling 1999

Age range: base of the Early/Lower Frasnian to the top of the Smithian or 383.70000 to 247.20000 Ma

Collections (4 total)

Time interval Ma Country or state Original ID and collection number
Early/Lower Frasnian383.7 - 382.4Australia (Western Australia) R. aspera, R. aspinosa, R. delicata, R. impedita, R. interreticulata, R. levis, R. longa, R. repleta (233596)
Smithian251.3 - 247.2Vietnam R. kycungensis, R. parvisphaera (143596 155516) R. parvisphaera (143597)