Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Acaeniotylopsis triacanthus

Spumellaria - Parvivaccidae

Acaeniotylopsis triacanthus was named by Kito and De Wever (1994).

It was recombined as Acaeniotylopsis variatus triacanthus by Kito and De Wever (1995).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1994Acaeniotylopsis triacanthus Kito and De Wever p. 132 figs. pl. 1, figs. 4-6, 9-11; pl. 3, figs. 5a-b, 6
1995Acaeniotylopsis variatus triacanthus Kito and De Wever
2006Acaeniotylopsis triacanthus Gorican et al.

Is something missing? Join the Paleobiology Database and enter the data

superphylumRetariaCavalier-Smith 1999
phylumRadiolariaMüller 1858
superorderPolycystina(Ehrenberg 1838)
orderSpumellariaEhrenberg 1875
familyParvivaccidaePessagno and Yang 1989
subfamilyAcaeniotylinaeYang 1993
genusAcaeniotylopsisKito and De Wever 1994
speciestriacanthusKito and De Wever 1994

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.

Acaeniotylopsis triacanthus Kito and De Wever 1994
show all | hide all
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 Late/Upper Aalenian to the top of the Early/Lower Bajocian or 175.60000 to 168.40000 Ma

Collections (4 total)

Time interval Ma Country or state Original ID and collection number
Late/Upper Aalenian175.6 - 171.6Spain Acaeniotylopsis triacanthus (120127)
Late/Upper Aalenian175.6 - 171.6Japan Acaeniotylopsis variatus (51712)
Early/Lower Bajocian171.6 - 168.4Japan Acaeniotylopsis variatus (51713)
Late/Upper Bajocian171.6 - 167.7Japan Acaeniotylopsis variatus (51714)