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Table 2.2. (continued). (Continued next page.)

Diatoms - Low Latitudes Paleogene    

Fenner, 1984*

  R B Acrobotrys tritubus BABTR

8.3

 
Group Event Name Plotcode

Young Age

Old Age R B Spongaster berminghami BSPBE

8.6

 
D B Rocella gelida bRoge

24.5

  R B Didymocyrtis penultima BDCPE

8.8

 
D B Bogorovia veniamini bBove

27

  R T Botryostrobus miralestensis TBSMI

8.9

 
D B Coscinodiscus rhombicus bCorh

27

28.6

R T Diartus petterssoni TDIPE

8.9

 
D B Rossiella symmetrica bRssy

28.6

  R T Stichocorys wolffii TSCWO

9.0

 
D B Rocella vigilans bRovi

30.1

  R B Diartus hughesi BDIHU

9.1

 
D B Synedra jouseana bSyjo

30.1

33

R Be Diartus petterssoni EDIPE

9.1

 
D B Cestodiscus reticulatus bCere

33

  R T Lithopera neotera TLPNE

9.5

 
D B Coscinodiscus excavatus bCoex

33.6

  R B Didymocyrtis antepenultima BDCAN

9.7

 
D B Baxteriopsis brunii normal size bBabr

34.5

  R T Cyrtocapsella japonica TCCJA

9.9

 
D T Hemiaulus grassus tHegr

36.3

  R B Botryostrobus bramlettei BBSBR

10.5

 
D B Asterolampra marylandica bAsma

40

  R T Carpocanopsis cristata s.s TCPCR

10.5

 
D B Hemiaulus subacutus bHesa

40

  R B Phormostichoartus doliolum (I) BPHDO

11.8

 
D T Triceratium kanayae tTrka

40

  R T Cyrtocapsella cornuta TCCCO

11.9

 
D T Triceratium inconspicuum v. trilobata tTrint

40

  R T Cyrtocapsella tetrapera TCCTE

12.2

 
D T Brightwellia imperfecta tBrim

40

  R T Lithopera renzae TLPRE

12.2

 
D T Hemiaulus alatus tHeal

36.3

40

R B Lithopera neotera BLPNE

14.5

 
D T Hemiaulus gondolaformis tHego

40

  R T Calocycletta virginis TCAVI

14.5

 
D T Brightwellia hyperborea tBrhy

40

  R T Calocycletta costata TCACO

14.8

 
D T Craspedodiscus oblongus-C. ellipticus tCroe

40

  R T Didymocyrtis tubaria TDCTU

14.8

 
D T Triceratium inconspicuum v. inconspicuum tTrini

40

  R T Didymocyrtis violina TDCVI

15.1

 
D B Brightwellia imperfecta bBrim

40.1

  R T Dorcadospyris forcipata TDSFO

15.2

 
D T Pyxilla caput avis tPyca

40.1

44

R T Liriospyris stauropora TLIST

15.2

 
D B Hemiaulus gondolaformis bHego

44

  R T Dorcadospyris dentata TDSDE

15.2

 
D B Hemiaulus lyriformis bHely

44

45

R B Dorcadospyris alata BDSAL

15.4

 
D B Hemiaulus exiguus bHeex

44

45

R T Didymocyrtis prismatica TDCPR

15.6

 
D B Hemiaulus alatus bHeal

45

  R T Lychnocanoma elongata TLNEL

15.7

 
D BCo Hemiaulus grassus BCHegr

45

  R B Liriospyris parkerae BLIPA

16.0

 
D B Pyxilla caput avis bPyca

47

  R B Girraffospyris toxaria BGITO

16.3

 
D B Hemiaulus klushnikovii BHekl

47

48.7

R B Calocycletta costata BCACO

17.1

 
D B Hemiaulus dubius bHedu

47

48.7

R B Dorcadospyris dentata BDSDE

17.1

 
D B Brightwellia hyperborea bBrhy

47

48.7

R B Stichocorys wolffii BSCWO

17.9

 
D B Rylandsia biradiata bRybi

47

48.7

R B Siphostichartus corona BSSCO

17.9

 
D B Clavularia barbadensis bClba

47

48.7

R T Dorcadospyris ateuchus TDSAT

17.9

 
D B Skeletonema barbadense bSkba

47

48.7

R B Liriospyris stauropora BLIST

18.1

 
D B Triceratium kanayae bTrka

48.7

  R T Calocyletta serrata TCASE

18.9

 
D B Triceratium inconspicuum v. trilobata bTrint

48.7

  R B Dorcadospyris forcipata BDSFO

19.3

 
D B Hemiaulus polycystinorum v. mesolepta bHepom

48.7

51

R T Cyclampterium lepetrum TCTLE

19.6

 
D B Crapedodiscus oblongus bCrob

51

  R B Didymocyrtis violina BDCVI

19.8

 
          R B Didymocyrtis tubaria BDCTU

19.9

 
*: events based on biozonation and recalibrated to Berggren et al. (1995) magnetostratigraphic scale         R B Stichocorys delmontensis BSCDE

20.0

 
          R T Theocyrtis annosa TTCAN

20.5

 
Radiolarians - Tropical Pacific    

Johnson and Nigrini, 1985*

  R B Calocycletta virginis BCAVI

21.0

 
Group Event Name Plotcode

Young Age

Old Age R B Calocycletta serrata BCASE

21.2

 
R B Collosphaera tuberosa BCOTU

0.7

  R T Cyclampterium pegetrum TCTPE

22.2

 
R T Stylatractus universus TSYUN

0.4

  R B Cyrtocapsella cornuta BCCCO

22.3

 
R B Buccinosphaera invaginata BBUIN

0.3

  R B Cyrtocapsella tetrapera BCCTE

22.3

 
R T Anthocyrtidium nosicaae (I) TACNO

0.8

  R B Carpocanopsis favosa BCPFA

22.5

 
R T Pterocorys campanula (I) TPCCA

0.8

  R T Artophormis gracilis TATGR

22.5

 
R T Amphispyris roggentheni TAPRO

0.8

  R T Dorcadospyris papillo TDSPA

22.5

 
R B Pterocorys hertwigii (I) BPCHE

0.8

  R B Lychnocanoma elongata BLYEL

24.0

 
R T Anthocyrtidium angulare TACAN

1.1

           
R T Lamprocyrtis neoheteroporos (I) TLMNE

1.2

  *: all events recalibrated to Berggren et al.(1995) magnetostratigraphic scale: (I):Indian Ocean calibration        
R B Lamprocyrtis nigriniae BLMNI

1.3

           
R T Theocorythium vetulum TTHTV

1.3

           
Radiolarians - Low Latitudes Paleogene    

Sanders et al., 1984;

  Group Event Name Plotcode

Young Age

Old Age
     

Sanfilippo et al., 1985*

  R B Podocyrtis diamesa BPODI

49.3

50.5

Group Event Name Plotcode

Young Age

Old Age R B Podocyrtis aphorma BPOAP

49.3

50.5

R B Lychnocanoma elongata BLYEL

23.8

  R B Theocorys anaclasta BTHAN

50.5

 
R B Dorcadospyris forcipata BDOFO

23.8

28.9

R B Lamptonium fabaeforme constrictum BLAFC

50.5

 
R T Lithocyclia angusta TLIAN

23.8

28.9

R Be Phormocyrtis striata striata BePHSS

50.5

 
R T Lychnocanoma trifolium TLYTR

23.8

28.9

R T Theocolytissa fimbria TTHFI

50.5

51

R B Dorcadospyris papilio BDOPA

23.8

28.9

R T Pterocodon ampla TPTAM

50.5

51

R B Theocorys annosa BTHAN

23.8

28.9

R T Bekoma bidartensis TBEBI

50.5

51

R B Lychnocanoma trifolium BLYTR

23.8

28.9

R T Buryella tetradica TBUTE

50.5

51

R T Theocyrtis tuberosa TTHTU

23.8

28.9

R T Thyrsocyrtis tarsipes TTHTA

50.5

51

R Te Tristylospyris triceros TeTRTR

28.9

  R B Lithocyclia ocellus group BLIOC

50.5

51

R Be Dorcadospyris ateuchus BeDOAT

28.9

  R B Thyrsocyrtis tensa BTHTE

50.5

51

R T Lithocyclia crux TLICR

28.9

  R Be Theocotylissa ficus BeTHFC

50.5

51

R T Centrobotrys petrushevskayae TCEPE

28.9

  R Be Buryella clinata BeBUCL

51

 
R B Dydimocyrtis prismatica BDYPR

28.9

33

R B Spongotractus balbis BSPBA

51

 
R T Dorcadospyris pseudopapilio TDOPS

28.9

33

R B Lamptonium sanfilippoae BLASA

51

 
R B Lychnodictyum audax BLYAU

28.9

33

R B Theocotyle nigrinae BTHNI

51

 
R Te Centrobotrys gravida TeCEGR

28.9

33

R B Thyrsocyrtis hirsuta BTHHI

51

 
R B Dorcadospyris pseudopapilio BDOPS

28.9

33

R B Theocotylissa fimbria BTHFI

51

57

R Be Lithocyclia angusta BeLIAN

33

  R Be Theocolytissa alpha BeTHAL

51

57

R T Dictyoprora pirum TDIPI

33

  R B Lamptonium fabaeforme chaunothorax BLAFT

51

57

R T Cryptopora ornata TCROR

33

  R B Calocycloma castum BCACA

51

57

R B Centrobotrys gravida BCEGR

33

  R Be Lamptonium fabaeforme fabaeforme BeLAFF

51

57

R B Lithocyclia crux BLICR

33

  R B Bekoma bidartensis BBEBI

57

 
R T Dictyoprora mongolfieri TDIMO

33

           
R T Thyrsocyrtis tetracantha TTHTE

34.8

  *: events based on biozonation and recalibrated to Berggren et al. (1995) magnetostratigraphic scale        
R T Eusyringium fistuligerum TEUFI

34.8

36.4

         
R T Thyrsocyrtis triacantha TTHTR

34.8

36.4

Radiolarians - Tropical Indian    

Johnson and Nigrini, 1985*

 
R Be Calocyclas bandyca BeCABA

36.4

  Group Event Name Plotcode

Young Age

Old Age
R B Lychnocanoma amphitrite BLYAM

36.4

37.6

R T Stylatractus universus TSYUN

0.4

 
R B Lophocyrtis jacchia BLOJA

36.4

37.6

R B Collosphaera tuberosa BCOTU

0.5

 
R B 'Carpocanistrum' azyx BCAAZ

37.6

  R B Buccinosphaera invaginata (P) BBUIN

0.3

 
R T Rhopalocanium ornatum TRHOR

37.6

  R T Anthocyrtidium nosicaae TACNO

0.8

 
R B Thyrsocyrtis bromia BTHBR

37.6

39.5

R T Pterocorys campanula TPCCA

0.8

 
R B Thyrsocyrtis tetracantha BTHTE

37.6

39.5

R T Amphispyris roggentheni (P) TAPRO

0.8

 
R B Dictyoprora pirum BDIPI

37.6

39.5

R B Pterocorys hertwigii BPCHE

0.8

 
R T Theocotylissa ficus TTHFC

37.6

39.5

R T Anthocyrtidium angulare TACAN

1.0

 
R T Sethochytris triconiscus TSETR

37.6

39.5

R B Lamprocyrtis nigriniae BLMNI

1.1

 
R B Podocyrtis goethana BPOGO

39.5

  R T Lamprocyrtis neoheteroporos TLMNE

1.2

 
R T Podocyrtis trachodes TPOTR

39.5

40.4

R B Anthocyrtidum angulare BACAN

1.6

 
R Be Podocyrtis chalara BePOCH

40.4

  R T Pterocanium prismatium TPTPS

1.7

 
R T Phormocyrtis striata striata TPHSS

40.4

  R T Theocorythium vetulum TTHTV

1.8

 
R B Tristylospyris triceros BTRTR

40.4

  R B Eucyrtidium matuyami BEUMA

2.0

 
R B Cryptoprora ornata BCROR

40.4

43

R B Cycladophora davisiana BCYDA

2.6

 
R T Podocyrtis ampla TPOAM

40.4

43

R B Theocorythium trachelium BTHTR

2.6

 
R T Eusyringium lagena TEULA

40.4

43

R B Lamprocyrtis neoheteroporos BLMNE

2.7

 
R B Artophormis barbadensis BARBA

40.4

43

R T Stichocorys peregrina TSCPE

2.8

 
R B Thyrsocyrtis lochites BTHLO

40.4

43

R T Phormostichoartus fistula TPHFI

3.5

 
R B Sethochutris triconiscus BSETR

40.4

43

R T Lychnodictyum audax TLDAU

3.6

 
R T Podocyrtis fasciolata TPOFA

40.4

43

R T Spongaster pentas TSPPE

3.8

 
R T Podocyrtis helenae TPOHE

40.4

43

R T Phormostichoartus doliolum TPHDO

3.8

 
R Be Podocyrtis mitra BePOMI

43

  R T Didymocyrtis penultima (P) TDCPE

4.0

 
R B Podocyrtis trachodes BPOTR

43

44.6

R B Amphirhopalum ypsilon BARYP

4.1

 
R Be Eusyringium fistuligerum BeEUFI

43

44.6

R B Spongaster tetras BSPTE

4.2

 
R T Podocyrtis dorus TPODO

43

44.6

R T Spongaster berminghami TSPBE

4.2

 
R B Podocyrtis fasciolata BPOFA

43

44.6

R Be Spongaster berminghami ESPBE

4.8

 
R B Podocyrtis helenae BPOHE

43

44.6

R T Solenosphaera omnitubus TSOOM

5.2

 
R Be Podocyrtis ampla BePOAM

44.6

  R T Botryostrobus bramlettei TBSBR

5.5

 
R T Theocotyle venezuelensis TTHVE

44.6

  R T Dendrospyris bursa TDEBU

5.6

 
R B Eusyringium fistuligerum BEUFI

44.6

47.5

R T Siphostichartus corona TSSCO

5.6

 
R T Theocotyle nigrinae TTHNI

44.6

47.5

R B Pterocanium praetextum BPTPT

5.9

 
R T Theocotyle conica TTHCO

44.6

47.5

R T Acrobotrys tritubus TABTR

5.9

 
R Be Podocyrtis phyxis BePOPH

44.6

47.5

R B Pterocanium prismatium BPTPS

6.3

 
R T Theocorys anaclasta TTHAN

44.6

47.5

R T Stichocorys johnsoni TSCJO

6.4

 
R T Lamptonium fabaeforme constrictum TLAFC

44.6

47.5

R Be Stichocorys peregrina ESCPE

7.0

 
R T Lamptonium fabaeforme chaunothorax TLAFH

44.6

47.5

R T Calocycletta caepa TCACE

7.1

 
R T Thyrsocyrtis hirsuta TTHHI

44.6

47.5

R B Solenosphaera omnitubus BSOOM

7.1

 
R T Thyrsocyrtis robusta TTHRO

44.6

47.5

R T Diartus hughesi TDIHU

7.9

 
R B Eusyringium lagena BEULA

47.5

  R B Didymocyrtis laticonus (P) BDCLA

8.3

 
R Be Thyrsocyrtis triacantha BeTHTR

47.5

  R B Acrobotrys tritubus BABTR

8.6

 
R T Lamptonium fabaeforme fabaeforme TLAFF

47.5

48.5

R B Didymocyrtis penultima (P) BDCPE

8.8

 
R B Podocyrtis dorus BPODO

47.5

48.5

R B Spongaster berminghami BSPBE

8.8

 
R Be Theocotyle conica BeTHCO

47.5

48.5

R T Stichocorys wolffii TSCWO

9.0

 
R B Dictyoprora mongolfieri BDIMO

48.5

  R T Botryostrobus miralestensis TBSMI

9.0

 
R T Calocycloma castum TCACA

48.5

  R T Diartus petterssoni TDIPE

9.0

 
R Be Podocyrtis sinuosa BePOSI

48.5

49.3

R T Lithopera neotera TLPNE

9.4

 
R B Thyrsocyrtis robusta BTHRO

48.5

49.3

R B Diartus hughesi BDIHU

9.6

 
R B Theocotyle venezuelensis BTHVE

48.5

49.3

R B Didymocyrtis antepenultima (P) BDCAN

9.7

 
R Be Theocotyle cryptocephala BeTHCR

49.3

  R B Botryostrobus bramlettei BBSBR

10.4

 
R T Buryella clinata TBUCL

49.3

  R T Carpocanopsis cristata s.s TCPCR

10.4

 
R T Podocyrtis platypus TPOPL

49.3

50.5

R T Cyrtocapsella japonica TCCJA

10.6

 
R Be Spongatractus pachystylus BeSPPA

49.3

50.5

R Be Diartus petterssoni EDIPE

11.0

 
R T Lamptonium sanfilippoae TLASA

49.3

50.5

R B Phormostichoartus doliolum BPHDO

11.8

 
R B Thyrsocyrtis rhizodon BTHRH

49.3

50.5

R T Cyrtocapsella cornuta TCCCO

12.0

 
R B Podocyrtis platypus BPOPL

49.3

50.5

R T Cyrtocapsella tetrapera (P) TCCTE

12.2

 
Group Event Name Plotcode

Young Age

Old Age Group Event Name Plotcode

Young Age

Old Age
R T Lithopera renzae (P) TLPRE

12.2

  R T Prunopyle monikae TPRMO

31

32

R B Lithopera neotera (P) BLPNE

14.5

  R T Calocyclas asperum TCAAS

31

32

R T Calocycletta virginis (P) TCAVI

14.5

  R B Lithomelissa cheni BLICH

31

32

R T Calocycletta costata (P) TCACO

14.8

  R T Lithomelissa dupliphysa TLIDU

31

32

R T Didymocyrtis tubaria (P) TDCTU

14.8

  R T Siphocampe pachyderma TSIPA

31

32

R T Didymocyrtis violina (P) TDCVI

15.1

  R B Stylosphaera radiosa BSTRA

31

32

R T Dorcadospyris forcipata (P) TDSFO

15.2

  R B Ceratocyrtis cucullaris BCECU

32

32.5

R T Liriospyris stauropora (P) TLIST

15.2

  R T Dictyoprora physiothorax TDIPH

32

32.5

R T Dorcadospyris dentata (P) TDSDE

15.2

  R B Spongodiscus osculosus BSPOS

32

32.5

R B Dorcadospyris alata (P) BDSAL

15.4

  R T Theocyrtis diabloensis TTHDI

32

32.5

R T Didymocyrtis prismatica (P) TDCPR

15.6

  R T Eucyrtidium mariae TEUMR

32.5

33

R T Lychnocanoma elongata (P) TLNEL

15.7

  R B Lamprocyclas inexpectata BLAIN

32.5

33

R B Liriospyris parkerae (P) BLIPA

16.0

  R T Cymaetron sinolampas TCYSI

32.5

33

R B Girraffospyris toxaria (P) BGITO

16.3

  R T Lithomelissa ehrenbergi TLIEH

32.5

33

R B Calocycletta costata (P) BCACO

17.1

  R T Perichlamidium praetextum TPEPR

33

 
R B Dorcadospyris dentata (P) BDSDE

17.1

  R T Periphaena decora TPEDE

33

 
R B Stichocorys wolffii (P) BSCWO

17.9

           
R B Siphostichartus corona (P) BSSCO

17.9

  *: all events recalibrated to Berggren et al. (1995) magnetostratigraphic scale;        
R T Dorcadospyris ateuchus (P) TDSAT

17.9

  Paleogene events based on biozonation in Leg 119        
R B Liriospyris stauropora (P) BLIST

18.1

  Magnetostratigraphy    

Berggren et al., 1995

 
R T Calocyletta serrata (P) TCASE

18.9

  Group Event Name Plotcode

Young Age

Old Age
R B Dorcadospyris forcipata (P) BDSFO

19.3

  M Brunhes T1N1

0

 
R T Cyclampterium lepetrum (P) TCTLE

19.6

  M Brunhes B1N1

0.78

 
R B Didymocyrtis violina (P) BDCVI

19.8

  M Jaramillo T1N2

0.99

 
R B Didymocyrtis tubaria (P) BDCTU

19.9

  M Jaramillo B1N2

1.07

 
R B Stichocorys delmontensis (P) BSCDE

20.0

  M Cobb Mountain T1R2R-1N

1.201

 
R T Theocyrtis annosa (P) TTCAN

20.5

  M Cobb Mountain B1R2R-1N

1.211

 
R B Calocycletta virginis (P) BCAVI

21.0

  M Olduvai T2N1

1.77

 
R B Calocycletta serrata (P) BCASE

21.2

  M Olduvai B2N1

1.95

 
R T Cyclampterium pegetrum (P) TCTPE

22.2

  M Reunion T2R1N

2.14

 
R B Cyrtocapsella cornuta (P) BCCCO

22.3

  M Reunion B2R1N

2.15

 
R B Cyrtocapsella tetrapera (P) BCCTE

22.3

  M Gauss T2AN1

2.581

 
R B Carpocanopsis favosa (P) BCPFA

22.5

  M Gauss B2AN1

3.04

 
R T Artophormis gracilis (P) TATGR

22.5

  M Gauss (^kaena) T2AN2

3.11

 
R T Dorcadospyris papillo (P) TDSPA

22.5

  M Gauss B2AN2

3.22

 
R B Lychnocanoma elongata (P) BLYEL

24.0

  M Gauss (^mammoth) T2AN3

3.33

 
          M Gauss B2AN3

3.58

 
*: all events recalibrated to Berggren et al.(1995) magnetostratigraphic scale: (P):Pacific Ocean calibration         M Gilbert-cochiti T3N1

4.18

 
          M Gilbert-cochiti B3N1

4.29