883:
107:
663:
Raffi, I.; Mozzato, C.; Fornaciari, E.; Hilgen, F.J.; Rio, D. (Spring 2003). "Late
Miocene calcareous nannofossil biostratigraphy and astrobiochronology for the Mediterranean region".
245:
216:
is a genus of extinct star-shaped marine algae, with calcareous exoskeletons of between 5-40 μm across that are abundant as nanofossils in tropical deep-ocean deposits of
816:
924:
803:
237:
829:
963:
948:
958:
855:
709:
917:
834:
943:
968:
676:
910:
381:
953:
730:
842:
336:
860:
790:
169:
637:
181:
539:
535:
322:
680:
616:
531:
366:
122:
782:
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699:
821:
894:
672:
608:
157:
768:
249:
106:
882:
937:
684:
385:
340:
64:
762:
269:
253:
39:
753:
890:
225:
145:
84:
49:
777:
704:
277:
133:
89:
747:
265:
79:
74:
59:
54:
44:
808:
620:
281:
217:
94:
69:
724:
612:
256:, 1.806 million years ago. ICS has assigned the extinction of
728:
795:
677:
10.1661/0026-2803(2003)049[0001:LMCNBA]2.0.CO;2
268:, 2.588 million years ago, the earliest stage of the
898:
599:
Bukry, David (1971). "Discoaster evolutionary trends".
264:
as the defining biological marker for the start of the
193:
737:
607:(1). The Micropaleontology Project, Inc.: 43–52.
671:(1). The Micropaleontology Project, Inc.: 1–26.
918:
632:
630:
8:
228:. About 100 species can be recognized.
925:
911:
725:
276:as biological marker for the start of the
105:
20:
272:. ICS further assigned the extinction of
238:International Commission on Stratigraphy
16:Extinct genus of single-celled organisms
591:
702:. World-wide electronic publication.
240:(ICS) has assigned the extinction of
7:
879:
877:
292:Some species in this genus include:
897:. You can help Knowledge (XXG) by
495:(Tan, 1931) Bramlette & Riedel
14:
698:Guiry, M.D.; Guiry, G.M. (2008).
881:
284:, 11.62 million years ago.
710:National University of Ireland
447:Martini & Bramlette (1963)
1:
964:Pleistocene genus extinctions
232:Biostratigraphic significance
949:Prehistoric eukaryote genera
35:Most abundant during Miocene
959:Paleocene first appearances
985:
876:
246:defining biological marker
117:, about 15 μm across
123:Scientific classification
121:
113:
104:
23:
258:Discoaster pentaradiatus
565:Martini & Bramlette
519:Martini & Bramlette
423:Martini & Bramlette
411:Martini & Bramlette
893:-related article is a
32:Paleocene –Pleistocene
843:Paleobiology Database
490:D. pentaradiatus
471:Bukry & Bramlette
248:for the start of the
430:D. intercalaris
316:D. asymmetricus
548:D. triradiatus
303:
262:Discoaster surculus
242:Discoaster brouweri
115:Discoaster surculus
642:Springer Reference
560:D. variabilis
466:D. neohamatus
454:D. loeblichii
349:D. berggrenii
297:
274:Discoaster kugleri
204:Tan Sin Hok (1931)
944:Haptophyte genera
906:
905:
871:
870:
731:Taxon identifiers
665:Micropaleontology
601:Micropaleontology
582:
581:
502:D. quintatus
478:D. neorectus
209:
208:
976:
969:Haptophyte stubs
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920:
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514:D. surculus
508:
496:
484:
472:
460:
448:
436:
424:
412:
400:
394:D. calcaris
388:
376:D. brouweri
370:
355:
343:
325:
304:
302:
296:
195:
158:Prymnesiophyceae
109:
99:
36:
33:
29:Temporal range:
21:
984:
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979:
978:
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973:
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628:
613:10.2307/1485036
598:
597:
593:
589:
578:
564:
552:
530:
526:D. toralus
518:
506:
494:
482:
470:
458:
446:
442:D. kugleri
434:
422:
418:D. hamatus
410:
398:
380:
369:& Bramlette
365:
353:
335:
321:
298:
290:
278:Tortonian Stage
250:Calabrian Stage
234:
224:belongs to the
205:
202:
201:
184:
172:
170:Coccosphaerales
160:
148:
136:
100:
98:
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92:
87:
82:
77:
72:
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62:
57:
52:
47:
42:
34:
31:
30:
27:
17:
12:
11:
5:
982:
980:
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956:
951:
946:
936:
935:
930:
929:
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915:
907:
904:
903:
886:
869:
868:
866:
865:
852:
839:
826:
813:
800:
787:
774:
759:
743:
741:
735:
734:
729:
722:
721:
708:. Galway, IE:
690:
655:
626:
590:
588:
585:
584:
583:
580:
579:
576:
574:
568:
567:
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510:
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492:
486:
485:
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473:
468:
462:
461:
456:
450:
449:
444:
438:
437:
432:
426:
425:
420:
414:
413:
408:
406:D. exilis
402:
401:
396:
390:
389:
378:
372:
371:
363:
361:D. bollii
357:
356:
351:
345:
344:
333:
331:D. bellus
327:
326:
319:
318:
312:
311:
308:
289:
286:
266:Gelasian Stage
233:
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207:
206:
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182:Coccolithaceae
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28:
15:
13:
10:
9:
6:
4:
3:
2:
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954:Index fossils
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928:
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916:
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862:
857:
853:
849:
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840:
836:
831:
827:
823:
818:
814:
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805:
801:
797:
792:
788:
784:
779:
775:
770:
764:
760:
755:
749:
745:
744:
742:
740:
736:
732:
727:
711:
707:
706:
701:
694:
691:
686:
682:
678:
674:
670:
666:
659:
656:
643:
639:
638:"Discoasters"
633:
631:
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606:
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592:
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569:
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96:
91:
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81:
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71:
66:
61:
56:
51:
46:
41:
26:
22:
19:
899:expanding it
888:
873:
738:
713:. Retrieved
703:
700:"Discoaster"
693:
668:
664:
658:
646:. Retrieved
641:
604:
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571:
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330:
315:
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221:
212:
211:
210:
197:
196:
141:(unranked):
114:
24:
18:
763:Wikispecies
270:Pleistocene
254:Pleistocene
226:haptophytes
938:Categories
891:haptophyte
769:Discoaster
739:Discoaster
715:2009-02-21
644:. Springer
587:References
553:Tan (1931)
310:Authority
300:Discoaster
222:Discoaster
213:Discoaster
198:Discoaster
146:Haptophyta
25:Discoaster
778:AlgaeBase
705:AlgaeBase
685:198157383
572:D. arneyi
382:Bramlette
134:Eukaryota
754:Q5281570
748:Wikidata
538:, &
341:Percival
177:Family:
129:Domain:
822:1072805
809:9737329
621:1485036
536:Lohmann
507:Gartner
399:Gartner
367:Martini
323:Gartner
307:Species
288:Species
282:Miocene
280:of the
252:of the
244:as the
218:Neogene
189:Genus:
165:Order:
153:Class:
861:603376
683:
648:4 July
619:
386:Riedel
384:&
339:&
889:This
856:WoRMS
848:87682
817:IRMNG
796:89637
783:45430
681:S2CID
617:JSTOR
532:Ellis
483:Bukry
459:Bukry
435:Bukry
354:Bukry
337:Bukry
220:age.
895:stub
835:2273
830:ITIS
804:GBIF
650:2013
540:Wray
260:and
236:The
40:PreꞒ
791:EoL
673:doi
609:doi
940::
858::
845::
832::
819::
806::
793::
780::
765::
750::
679:.
669:49
667:.
640:.
629:^
615:.
605:17
603:.
534:,
90:Pg
926:e
919:t
912:v
901:.
718:.
687:.
675::
652:.
623:.
611::
577:—
194:†
95:N
85:K
80:J
75:T
70:P
65:C
60:D
55:S
50:O
45:Ꞓ
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