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

Triversus

Protozoa - Nassellaria - Amphipyndacidae

Taxonomy
Triversus was named by Takemura (1986).

It was assigned to Nassellaria by Hull (1997); and to Amphipyndacidae by De Wever et al. (2001).

Species
T. fastigatus, T. schardti
Species lacking formal opinion data
T. discors, T. hexagonatus, T. hungaricus, T. japonicus

Synonymy list
YearName and author
1986Triversus Takemura
1997Triversus Hull p. 168
2001Triversus De Wever et al. p. 269

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

RankNameAuthor
—Life
—Eukaryota()
classProtozoaGoldfuss 1820
subphylumSarcodinaSchmarda 1871
classReticulareaLankester 1885
subclassRadiolaria(Müller 1858)
RankNameAuthor
superorderPolycystina(Ehrenberg 1838)
orderNassellariaEhrenberg 1875
superfamilyAmphipyndaceaRiedel 1967
familyAmphipyndacidaeRiedel 1967
genusTriversusTakemura 1986

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. †Triversus Takemura 1986
show all | hide all
†Triversus fastigatus Hull 1997
†Triversus schardti O'Dogherty et al. 2006
Diagnosis
No diagnoses are available
Measurements
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 Toarcian to the top of the Early/Lower Berriasian or 184.20000 to 141.00000 Ma

Collections (33 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian184.2 - 182.9Japan T. sp. A (51710) T. sp., T. japonicus (124830)
Middle Toarcian - Late/Upper Toarcian182.9 - 174.7Greece T. japonicus (142135)
Early/Lower Aalenian - Middle Aalenian174.7 - 170.9Japan T. sp. A, T. japonicus (51711)
Late/Upper Aalenian174.7 - 170.9Japan T. japonicus (54166) T. sp. A, T. sp. E, T. japonicus (51712)
Early/Lower Bajocian170.9 - 168.6Japan T. sp. A, T. sp. E, T. japonicus (51713)
Bajocian170.9 - 168.2Greece T. japonicus (142137)
Late/Upper Bajocian168.6 - 168.2Japan T. sp. A, T. japonicus (51714)
Early/Lower Bathonian168.2 - 165.3USA (Oregon) T. fastigatus (94149)
Middle Bathonian168.2 - 165.3Switzerland T. japonicus, T. schardti (66939)
Callovian165.3 - 161.5Italy T. sp. A (47163)
Late/Upper Callovian165.3 - 161.5Germany (Bavaria) T. hungaricus (66976)
Late/Upper Callovian - Early/Lower Oxfordian165.3 - 154.8Germany (Bavaria) T. hexagonatus (66978 66992 66998) T. hexagonatus, T. hungaricus (66985) T. hungaricus (66991) T. japonicus, T. hexagonatus (66984)
Early/Lower Oxfordian - Middle Oxfordian161.5 - 154.8Mexico (San Luis Potosi) T. japonicus (50755 50756)
Kimmeridgian154.8 - 149.2Oman T. fastigatus (125378)
Late/Upper Kimmeridgian152.21 - 149.2Antarctica (Antarctic Peninsula) T. fastigatus (51833 51836)
Late/Upper Kimmeridgian - Middle Tithonian152.21 - 143.1Russian Federation T. fastigatus (51290)
Early/Lower Tithonian149.2 - 145.06USA (California) T. fastigatus (50744) T. sp. (50740) T. sp., T. fastigatus (50743)
Early/Lower Tithonian149.2 - 145.06Germany (Bavaria) T. sp. A, T. sp. B (83083)
Early/Lower Tithonian149.2 - 145.06Antarctica T. discors, T. fastigatus (51826) T. fastigatus (51827)
Late/Upper Tithonian145.06 - 143.1USA (California) T. sp. (50746)
Early/Lower Berriasian143.1 - 141.0Philippines T. sp. 1, T. sp. 2 (51153)