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Tribrachiatus

Coccolithophyceae - Rhomboasteraceae

Taxonomy
Tribrachiatus was named by Shamrai (1963).

It was assigned to Rhomboasteraceae by Bown (2005).

Species lacking formal opinion data
T. absidatus, T. bramlettei, T. contortus, T. digitalis, T. orthostylus

Synonymy list
YearName and author
1963Tribrachiatus Shamrai
2005Tribrachiatus Bown

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RankNameAuthor
—Life
—Eukaryota()
—Chromalveolata
phylumHaptophytaHibberd ex Cavalier-Smith 1986
RankNameAuthor
classCoccolithophyceae
familyRhomboasteraceae
genusTribrachiatus

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. †Tribrachiatus Shamrai 1963
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: oceanic, oligotrophic, marine, brackishp
Locomotion: passively mobilep
Life habit: planktonicp
Depth habitat: surfacep
Diet: "photoautotroph"p
Created: 2006-10-31 06:24:05
Modified: 2006-10-31 08:24:05
Source: p = phylum
Reference: Kiessling 2003

Age range: base of the M. formosa LOZ to the top of the Pleistocene or 54.00000 to 0.01170 Ma

Collections (75 total)


Time interval Ma Country or state Original ID and collection number
Thanetian - Ypresian59.24 - 48.07North Atlantic T. contortus (267068)
Thanetian - Eocene59.24 - 33.9South Pacific T. orthostylus (249195 249196)
Ypresian56.0 - 48.07North Pacific T. orthostylus (243273 243274 243275 245726)
Ypresian56.0 - 48.07North Atlantic T. contortus (265386 265388) T. digitalis, T. contortus (265383) T. orthostylus (261753 261754 261755 261756 261757 263829 263830 265376 265377 265378 265379 265380 265381 265382 265387 266449 266450 267057 267058 267059 267060 267061 267062) T. orthostylus, T. contortus (265384 267063 267067) T. orthostylus, T. digitalis (266451) T. orthostylus, T. digitalis, T. contortus (265385)
Eocene56.0 - 33.9North Atlantic T. orthostylus (267451)
Eocene56.0 - 33.9Indian Ocean T. orthostylus (250503 250504 250505 250506 254877 254878 254879 254880)
M. formosa LOZ54.0 - 52.3South Pacific T. orthostylus (250071 250072 250073 250074)
M. formosa LOZ - M. aragonensis/M. subbotinae CRZ54.0 - 50.8South Pacific T. orthostylus (250069 250070)
M. aragonensis/M. subbotinae CRZ52.3 - 50.8South Pacific T. orthostylus (250066)
M. lehneri PRZ42.3 - 40.5South Pacific T. orthostylus (250048 250049 250050 250051)
Bartonian41.03 - 37.71South Pacific T. orthostylus (254474 258051)
Priabonian37.71 - 33.9South Pacific T. orthostylus (254463 254464)
H. alabamensis HOZ34.3 - 33.8South Pacific T. orthostylus (250026)
Miocene23.04 - 5.333Indian Ocean T. orthostylus (252470 252482)
F. robusta/F. fohsi CRSZ13.13 - 11.79South Pacific T. bramlettei (250019)
Late/Upper Miocene11.63 - 5.333Indian Ocean T. orthostylus (254844)
Pleistocene2.58 - 0.0117South Pacific T. absidatus (246672) T. orthostylus (243058 243063 243093 244404 244413 246674 246678)