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Oridorsalis

Rotaliidae

Taxonomy
Oridorsalis was named by Anderson (1961) [Sepkoski's age data: T Eo R]. It is extant.

It was assigned to Rotaliidae by Wienrich (1997); and to Foraminiferida by Sepkoski (2002).

Species lacking formal opinion data
O. plummerae, O. tener, O. tener, O. tenera, O. umbonatus, O. umbonatus

Synonymy list
YearName and author
1961Oridorsalis Anderson
1997Oridorsalis Wienrich p. 74
2002Oridorsalis Sepkoski

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
subkingdomRhizaria()
phylumForaminifera(Eichwald 1830)
suborderRotaliinaDelage and Herouard 1896
RankNameAuthor
superfamilyRotaliaceaEhrenberg 1839
familyRotaliidaeEhrenberg 1839
genusOridorsalisAnderson 1961

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. Oridorsalis Anderson 1961
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitesubo
Environment: outer shelf, marinesubo
Locomotion: stationarysubo
Life habit: semi-infaunalo
Diet: omnivoreo
Created: 2007-09-19 08:26:03
Modified: 2007-09-19 10:26:03
Source: subo = suborder, o = order
Reference: Kiessling 2004

Age range: base of the Coniacian to the top of the Holocene or 89.80000 to 0.00000 Ma

Collections (1242 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Coniacian89.8 - 85.7Indian Ocean O. umbonatus (257307)
Coniacian - Santonian89.8 - 83.6Indian Ocean O. umbonatus, O. sp. (249902)
Santonian85.7 - 83.6Indian Ocean O. sp. (249901) O. umbonatus (257295 257300)
Santonian - Campanian85.7 - 72.2North Atlantic O. sp. (263548 263549)
Campanian83.6 - 72.2North Atlantic O. umbonatus (262354)
Campanian - Maastrichtian83.6 - 66.0Indian Ocean O. sp. (249899)
Campanian - Maastrichtian83.6 - 66.0North Atlantic O. umbonatus (262353) O. umbonatus, O. sp. (262352)
Maastrichtian72.2 - 66.0Tunisia O. umbonatus (57320 57322 57330 57331 57333 57334 57335 57336 57337 57338 57339 57340 57341 57342 57344 57345 57346 57349 57350 57351 57353 57354 57355 57356 57357 57359 57360 57361 57362 57364 57366 57367 57368)
Maastrichtian72.2 - 66.0North Atlantic O. umbonatus (260580 260581) O. umbonatus, O. sp. (260582)
Maastrichtian - Danian72.2 - 61.66North Atlantic O. sp. (263547)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
NN20 - NN210.42 - 0.0North Pacific O. umbonatus (266150)
NN210.29 - 0.0North Atlantic O. umbonatus (265078 265093)
NN210.29 - 0.0North Pacific O. umbonatus (247276 247277 247278 247280 247282 247283 247286 247287 247511 247512 247513 247514 247516 247517 247518 247519 247520 266143 266144 266146 266147 266148 266149)
NN210.29 - 0.0Indian Ocean O. umbonatus (242624 242625 242626)
Late/Upper Pleistocene0.129 - 0.0117North Atlantic O. umbonatus (263773)
Late/Upper Pleistocene0.129 - 0.0117South Pacific O. tener (273965 273967 273974 273979 273980 273981 273982 273983) O. umbonatus (273972)
Late/Upper Pleistocene (glacial)0.129 - 0.0117Iceland O. sp. (75055)
Late/Upper Pleistocene - Holocene0.129 - 0.0South Pacific O. tener (273964)
Holocene0.0117 - 0.0South Pacific O. tener (273963) O. umbonatus (254995)
Holocene0.0117 - 0.0North Pacific O. sp. (262641 262642)