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Discoaster

Coccolithophyceae

Taxonomy
Discoaster was named by Tan (1902).

It was assigned to Prymnesiophycidae by Perch-Nielsen (1985).

Species
D. adamanteus, D. bellus, D. brouweri, D. deflandrei, D. intercalaris, D. quinqueramus, D. surculus, D. variabilis
Species lacking formal opinion data
D. altus, D. anartios, D. araneus, D. asymmetricus, D. asymmetricus, D. backmanii, D. barbadiensis, D. barbadiensis, D. bardiensis, D. bergenii, D. berggrenii, D. bifax, D. bifax, D. binodosus, D. binodosus, D. blackstockae, D. bollii, D. braarudii, D. calcaris, D. calculosus, D. challengeri, D. deflandral, D. deftandrei, D. delicatus, D. diastypus, D. distinctus, D. distinctus, D. druggii, D. elegans, D. elegans, D. exilis, D. falcatus, D. flandrei, D. gemmeus, D. gemmifer, D. germanicus, D. hamatus, D. hamatus-bellus, D. kuepperi, D. kugleri, D. kugleri, D. lenticularis, D. lenticularis, D. lodoensis, D. lodosensus, D. loeblichii, D. mahmoudii, D. martinii, D. mediosus, D. mendomobensis, D. mohleri, D. moorei, D. multiradiatus, D. multiradiatus, D. musicus, D. neohamatus, D. neorectus, D. nobilis, D. nodifer, D. nodifer, D. nonaradiatus, D. ornatus, D. pacificus, D. paelikei, D. pansus, D. pentaradiatus, D. petaliformis, D. prepentaradiatus, D. quadramus, D. quintatus, D. saipanensis, D. saipanensis, D. saipanensis, D. salisburgenesis, D. salisburgensis, D. salpenensis, D. sanmiguelensis, D. septemradiatus, D. septemradiatus, D. signus, D. stellulus, D. subiodoensis, D. sublodoensis, D. sublodoensis, D. subsurculus, D. surclus, D. tamalis, D. tamalis, D. tani, D. tani, D. tanii, D. tanii, D. triradiatus, D. triradiatus, D. tristellifer, D. wemmelensis, D. wemmelensis, D. williamsii
Entered
by P. Bown on 2006-10-17; modified by P. Novack-Gottshall on 2017-12-27

Synonymy list
YearName and author
1902Discoaster Tan
1985Discoaster Perch-Nielsen

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RankNameAuthor
kingdomChromistaCavalier-Smith 1981
—Hacrobia
phylumHaptophytaHibberd ex Cavalier-Smith 1986
RankNameAuthor
classCoccolithophyceae
subclassPrymnesiophycidaeCavalier-Smith 1986
genusDiscoasterTan 1902

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. †Discoaster Tan 1902
show all | hide all
†Discoaster adamanteus Bramlette and Wilcoxon 1967
†Discoaster bellus Bukry and Percival 1971
†Discoaster brouweri Tan Sin Hok 1927
†Discoaster deflandrei Bramlette and Riedel 1954
†Discoaster quinqueramus Gartner 1969
†Discoaster surculus Martini and Bramlette 1963
†Discoaster variabilis Martini and Bramlette 1963
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 Turonian to the top of the Holocene or 93.90000 to 0.00000 Ma

Collections (5456 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Late/Upper Cretaceous100.5 - 66.0Indian Ocean D. triradiatus, D. tanii, D. deflandrei (256515)
Turonian93.9 - 89.8Indian Ocean D. variabilis (252629 252630 252633 252634 252635 252636)
Turonian - Coniacian93.9 - 85.7Indian Ocean D. variabilis (252628)
Coniacian89.8 - 85.7Indian Ocean D. triradiatus (252619 252620) D. triradiatus, D. variabilis (252621 252622 252623 252624 252625 252626 252627)
Santonian85.7 - 83.6Indian Ocean D. neohamatus, D. tamalis, D. deflandrei (252608) D. triradiatus (252616) D. triradiatus, D. variabilis (252609 252610 252611 252612 252613 252614 252617 252618)
Dicarinella asymetrica - Globotruncanita elevata85.4 - 79.5North Pacific D. druggii (262506) D. pentaradiatus (262507)
Campanian83.6 - 72.2Indian Ocean D. tanii (248686)
Danian66.0 - 61.66South Atlantic D. sp. (236645)
Paleocene66.0 - 56.0Indian Ocean D. mohleri (254886)
Paleocene66.0 - 56.0North Atlantic D. backmanii, D. falcatus, D. mohleri (266417) D. backmanii, D. mohleri (266418) D. falcatus, D. delicatus, D. multiradiatus, D. lenticularis, D. mohleri (266416)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Matuyama0.99 - 0.773North Pacific D. blackstockae, D. asymmetricus, D. pentaradiatus, D. brouweri (247574) D. brouweri (247567 247568 247569 247570 247571 247572 247573)
Middle Pleistocene0.774 - 0.129South Pacific D. deflandrei (271946 271952) D. spp. (271950) D. spp., D. deflandrei (271949) D. spp., D. deflandrei, D. surculus (271944) D. spp., D. variabilis (271943 271945 271947 271948) D. spp., D. variabilis, D. deflandrei (271951)
Middle Pleistocene0.774 - 0.129North Pacific D. berggrenii, D. brouweri (252143)
NN200.42 - 0.29Indian Ocean D. petaliformis (259354) D. spp. (248112 248117)
NN210.29 - 0.0South Pacific D. sp. (269206)
NN210.29 - 0.0North Pacific D. bollii, D. spp., D. berggrenii, D. pentaradiatus, D. brouweri, D. surculus, D. quinqueramus (252560) D. spp. (252559)
NN210.29 - 0.0Indian Ocean D. pentaradiatus (257333) D. spp. (247395 257330)
Late/Upper Pleistocene0.129 - 0.0117North Pacific D. brouweri (252140 252141) D. spp., D. brouweri (252139)
Late/Upper Pleistocene0.129 - 0.0117South Pacific D. kuepperi, D. pentaradiatus, D. variabilis (271937) D. spp. (271939) D. spp., D. deflandrei (271931 271936) D. spp., D. lodoensis, D. variabilis, D. deflandrei (271941) D. spp., D. saipanensis, D. variabilis, D. deflandrei (271934) D. spp., D. variabilis (271942) D. spp., D. variabilis, D. deflandrei (271930 271932 271933 271935 271938) D. variabilis, D. deflandrei (271940)
Holocene0.0117 - 0.0South Pacific D. variabilis (260509)