Paleozoic Time Scale and Sea-Level History - Purdue Engineering

Coastal Onlap and Mean Sea-. Level (intermediate term). Paleozoic Long- and. Short-Term Sea Level. Permian-Devonian ..... Peich. secunda - Pro. glabella.
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Paleozoic Time Scale and Sea-Level History Time ScaLe R Creator

ICS

Updated by James G. Ogg (Purdue University) and Gabi Ogg to: GEOLOGIC TIME SCALE 2004 (Gradstein, F.M., Ogg, J.G., Smith, A.G., et al.2004)

Cen Mesozoic Paleozoic Precambrian

and The Concise Geologic Time Scale (Ogg, J.G., Ogg, G. & Gradstein, F.M., 2008)

Standard Chronostratigraphy Age

Period

Epoch

Stage

Geomagnetic Polarity Primary

Paleozoic Sequences -- Haq and Schutter (Science, 2008) MegaSequences of Sloss Upper

Changhsingian

Lopingian

253.8

Sequences (nomenclature by J. Ogg)

Coastal Onlap and Mean SeaLevel (intermediate term) 0

Chang-3

251.5 251.8

Chang-2

252.5 252.89

Chang-1

100

200m

Paleozoic Long- and Short-Term Sea Level 0

100

200m

Paleozoic Sequences -other studies MediumResolution Perm- Permian-Devonian Devon Sequences T-R Cycles

R end-Perm

260

252.23

Ammonoid Zonation

T end-Perm

Iranites

253.02

Chang-1?

253.8

253.8

Araxoceras

255.12

Wuch-2

Wuchiapingian

Conodont Zonation Clarkina meishanensis Clarkina yini Clarkina changxingensis Clarkina subcarinata Clarkina wangi

254.57

256.0

Clarkina orientalis

257.32

Roadoceras, Doulingoceras

Wuch-1

Cap-3

Clarkina asymetrica

260.4

Tansill/Wuch-1 260.5

Capitanian Guadalupian

Paradunbarulla

Codonofusiella

Clarkina postbitteri postbitteri Clarkina postbitteri hongshuiensis

Tansill/Wuch

261.85

262.0

Jinogondolella altudaensis

262.5

Cap-2

263.0

Yates

Rauserella

Timorites

263.3

264.12

Jinogondolella postserrata Afganella schenki

265.8

Wordian

Cap-1

265.8 266.15

Word-3

266.5 266.7 267.0 267.25 267.5

Word-2 Word-1

268.0

Road-2

265.9 266.1

Seven Rivers

Queens

Afganella tereshkovae

266.58 267.05

Jinogondolella aserrata Waagenoceras

267.77

268.0

268.35

Cancellina

269.17

269.28

270

Road-1

270.6

Kung-3d Kung-3c Kung-3b Kung-3a

270.6 270.7 270.95 271.3 271.65

Brushy Canyon

269.56

Road Canyon II Road Canyon I

270.26 270.49 270.8

Iren -2

Brushy Canyon

Skinerella Neostreptognathodus sulcoplicatus

272.0

Praeskinnerella pavlovi Neostreptognathodus prayi

272.71 Iren

Kung-2

Jinogondolella nankingensis

271.15

272.6

Kungurian

Neoschwangerina tenuis

268.2

grubsyarG

268.4

Upper San Andres I 268.78

Roadian

Permian

Palaeofusulina minima

Clarkina dukouensis

261.04

275

Palaeofusulina sinensis Parananlingellia

Clarkina leveni 258.47

260.4

265

Fusulinids and Benthic Foraminifer Zonation

Clarkina transcaucasica Clarkina guangyuanensis

Tansill/Wuch-2 256.44

Illawara Series

255

Sponsored, in part, by:

273.5

273.1 273.35 273.6

Filippov

Filippov

274.34

Neostreptognathodus pnevi

Brevaxina

Neostreptognathodus pequopensis

Chalaroschwagerina vulgaris

275.1

275.6

Kung-1

Saran

275.6

275.6

Aktubinskia, Artinskia, Neopronorites

276.68 277.05

Art-3

278.0

Sargin

278.5

Parafusulina 279.63

279.75

Artinskian

280

Irgin 3

280.0 280.37

Irgin 2 Art-2

281.5 281.89

Lower

285

Absaroka

Cisuralian

282.81

284.4

Art-1

284.4

Sak-6

Barneston 1

284.6

Kinney 286.5

Sak-5

Wreford 2

288.0

Wreford 1

Funston

291.0

Sak-1

295

Asselian

Crouse

292.0

293.2

Middleburg

294.6 295.02 295.8

Ass-2

296.7

Beattie 2

295.98

Late Penn.

Gzhelian

305

Gzh-2

Beattie 1

299.0

Red Eagle 2 Foraker 2

Gzh-1

F (Tarkio)

301.8

303.5 303.98

Middle Penn.

Moscovian

299.84 299.99

301.46

Howard

301.86

Topeka

302.26

Deer Creek

302.67

Lecompton

303.08

Neal Ranch (Upper Grenola) Red Eagle

Pseudoschwagerina robusta

Streptognathodus constrictus

Schwagerina nux

Streptognathodus wabaunsensis

Foraker 2 Shumardites

Streptognathodus bellus

Stanton

304.29

E of Heckel'08 Stanton

304.7

D of Heckel'08

305.1 305.51

Swope

305.91

B (Hertha) Lost Branch

306.32 306.72

Altamont

307.13

Mosc-3

308.3

Mosc-2

309.0

308.51

Pawnee

307.53

Fort Scott 2

307.94

A (Verdigris)

308.34

Tiawah/Inola

308.75

Don./McCurtain

309.15

309.92

Mosc-1

Bashkirian

Grindstaff

Bash-5

314.3

Swope

B of Heckel'08

Pounds

McCurtain

McCurtain Paralegoceras - Eowellerites

310.56 310.95

Diaboloceras - Winslovoceras Diaboloceras - Axinolobus

312.45 313.19

Bostwich

Branneroceras - Gastrioceras

313.94 314.35

Bilinguites - Cancelloceras

315.6 316.0

Bash-2

316.7 316.9

Bash-1

317.5

316.18

318.01

Serp-9

Serp-7

Serpukhovian

316.39

Prairie Grove 2

317.39

Cane Hill

317.92

Imo

Serp-5

324.0 324.3

325.56 326.6 326.8

Serp-2

327.4

317.44

319.77

Degonia

322.07

Clore

322.86

Menard

323.7

Tar Springs

324.6

322.27

324.71

Hardinsburg

325.5

Montiparus montiparus

Declinognathodus marginodosus

Neognathodus askynensis

Protriticites pseudomontiparus Obsoletes obsoletus Fusulina cylindrica - Protriticites ovatus Fusulinella bocki Fusulinella colaniae - F. voshgalensis - Beedeina kamensis Fusulinella subpulchra Priscoidella priscoidea Aljutovella aljutovica Verella spicata - Alj. tikhonovichi Profusulinella rhombiformis Profusulinella primitiva Pseudostaffella gorskyi Staffellaeformes staffellaeformis Pseudostaffella praegorskyi Pseudostaffella antiqua Semistaffella variabilis Semistaffella minuscilaria

Prairie Grove 2

Homoceras - Hudsonoceras

Declinagnathodus noduliferus

Plectostaffella bogdanovkensis

( hiatus in Eurasia ? )

( hiatus in Eurasia ? )

( regional hiatus ? )

Monotaxinoides transitorius

Imo

Fraileys

326.4

Cypress

327.82

Vis-7

330.2 330.62

Yankeetown

330.65

St Louis

334.08

Eostaffellina protvae

Tar Springs

Uralopronorites - Cravenoceras

327.99

329.24

Ridenhower Ste. Genevieve

Degonia

Lochria cruciformis

Neoarchaediscus postrugosus

326.58

Bethel

Aux Vases

Gnathodus bilineatus bollandensis

325.61

Lochria nodosa

329.41

329.6

332.8

Streptognathodus cancellosus Idiognathodus sagittalis "Swadelina" makhlinae Streptognathodus subexcelsus Neognathodus roundyi Neognathodus inaequalis Neognathodus medexultimus Idiognathodus podolskensis Streptognathodus concinnus Idiognathodus robustus Neognathodus medexultimus Neognathodus bothrops Streptognathodus transitivus Declinognathodus donetzianus Idiognathoides postsulcatus

323.81

329.4

Vis-5

Rauserites quasiarcticus

322.95

Serp-1

331.6 332.02

Idiognathodus toretzianus

Idiognathoides sinuatus

Reticuloceras - Bashkortoceras

316.64

328.3

Vis-6

Rauserites rossicus - Rauserites stuckenbergi

315.82

Fayettevillea - Delepinoceras

325.0

Serp-3

Jigulites jigulensis

320.49

321.7 322.09 323.0 323.35

328.3

Dye - Kessler

320.5 320.86

Serp-6

Serp-4

315.57

Daixina sokensis

318.93

319.2 319.59

320 Serp-8

Trace Creek

Sphaeroschwagerina fusiformis Sphaeroschwagerina vulgaris Daixina bosbytauensis Globifusulina robusta

Streptognathodus vitali Streptognathodus simulator Streptognathodus firmus

Idiognathodus sinuosus

314.95 Bash-4 Bash-3

Pseudoparalegoceras Wellerites

Lower Fort Scott A of Heckel'08

311.7

312.3 312.65 313.3 313.6

(Dennis)

C of Heckel'08

310.21

311.3 311.6

Bash-6

Oread

303.89

Kas-2

Streptognathodus virgilicus Shumardites - Vidrioceras

303.48

Dewey

306.7

F of Heckel'08

Oread

C (Dennis)

304.9

Sphaeroschwagerina gigas

Streptognathodus fusus

Streptognathodus isolatus

Red Eagle 3

E (Cass)

Finnie

Early Penn.

299.73

305.5

318.1

Late Miss.

298.34 298.68 299.03

D (Iola)

Bash-7

Carboniferous

Streptognathodus postfusus

297.17

304.7

307.26

311.7

330.83

Hypergoniatites - Ferganoceras Gnathodus bilineatus bilineatus

331.77 332.08

Endothyranopsis crassus Archaediscus gigas

333.02 333.25 333.95 334.9

Middle Miss.

335

Vis-4

Salem (upper)

336.0

Salem (upper)

337.44

Salem (lower)

340

Vis-3

Beyrichoceras - Goniatites

340.53

Vis-2

Upper

Gnathodus texanus Uralodiscus rotundus

340.61 341.52 341.99

343.0 Keokuk (Upper) 343.41

343.6

Vis-1

344.5 344.92

Tour-5

345.7

345.3

Endothyranopsis compressa Pararchaediscus kokjubensis

337.9

339.2

Warsaw

345

335.84 336.17

Visean Carboniferous Mixed

330

Streptognathodus barskovi Svetlanoceras

295.97

Kas-3

Kas-1

307.2

325

Lenox Hills (Eiss)

300.5

305.98

315

294.6

294.8

297.76

302.65 303.4

Schwagerina vernueili

Schwagerina moelleri

301.02

Kasimovian

310

293.34

296.57

299.68

Gzh-3

Sweetognathus merrilli Neogondolella uralensis

Funston

291.89

Eiss

Up. Grenola (Neva)

300

290.43

295.38

Ass-3

Ass-1

Sakmarites

288.97

292.61

297.5

299.0

287.51

291.16

293.69 294.6

Zigarella urdalensis - Z. plicatissima

289.7

292.36

Sak-2

Sweetognathus binodosus

286.06

289.6

291.3

Sak-3

Burslev (Barneston)

288.24

290.23

Sak-4

284.4

Pseudofusulina

286.79

288.64

Kiaman Reversedpolarity Hyperchron

Sakmarian

283.14

Sweetognathus whitei

Irgin

285.33

287.18

290

Barneston 2

285.35

Sak-7

280.75

Eoparastaffella simplex Eoendothyranopsis donica

Keokuk (Upper)

343.94

Keokuk (Lower) 345.53

346.54

Merocanites - Ammonellipsites

Scalliognathus anchoralis Endothyra elegia - Eotextularia diversa

346.88

Dollimae bouckaerti Tour-4

Gnathodus typicus

348.5

Spinoendothyra costifera

349.5

Protocanites - Pericyclus

Early Miss.

350 Tour-3

Meppen

351.0

Palaeospiroplectammina tchernyshinensis

350.86 351.32

Siphonodella quadruplicata

351.69

Tournaisian

Chouteau Tour-2

352.43

Siphonodella isosticha

Chouteau

353.3

Siphonodella belkai

Chernyshinella disputabilis

Siphonodella duplicata

Bisphaera malevkensis Earlandia minima

Siphonodella sulcata

Tournayellina pseudobeata Septatournayella njumylga

354.31

355

Protocanites - Gattendorfia

355.37

Hannibal

359.2

Tour-1

357.12

358.99

359.2 359.92

360 Fam-8

361.0

Glen Park

361.5

Glen Park

Wocklumeria

Siphonodella praesulcata

361.96

Fam-7

363.03 363.4 363.79 364.2

Clymenia

Palmatolepis gracilis expansa

Platyclymenia

Palmatolepis perlobata postera

364.94

Kaskaskia

365

Famennian

Fam-6

365.7

Fam-5

366.4 366.84

Fam-4

II f

365.91

365.78 366.09

II f

Prolobites

367.31

367.5 368.5

Palmatolepis rugosa trachytera

Palmatolepis marginifera

369.15

369.3

370

Fam-3

370.0

Palmatolepis rhomboidea

370.8

Cheiloceras

Late

371.44

Fam-2

372.0

372.01 372.28

Palmatolepis crepida

372.88

374.5

Fam-1

375

Fras-8

Fras-7

II e 374.5 374.78 375.2 375.56 376.0

373.58 374.04

374.27

Palmatolepis triangularis

II e

Palmatolepis linguiformis 376.12

376.72

Fras-6

II d

377.6

Palmatolepis rhenana

377.2 377.42

Frasnian

380

Poorly known

378.09

Fras-5

Palmatolepis jamieae

379.0 379.56 379.86

379.72

Manticoceras

380.27

Fras-4

380.8

380.89

381.4

Fras-3

II c

382.0

Palmatolepis punctata 381.74

Palmatolepis transitans

390

384.0

Mesotaxis falsiovalis

384.68 385.3

Fras-1 Giv-7 Giv-6

385.5 385.9 386.2 20.683

II b

385.3 385.59 98.583 386.28

Skeletognathus norrisi

386.79

Givetian

Giv-5

387.5

Giv-4

388.0 388.4

Pharciceras

387.25

Klapperina disparilis

387.84 388.23

Schmidtognathus hermanni

389.49

Polygnathus varcus

389.04

Giv-3

Middle

385

Devonian

383.0

Fras-2

Palmatolepis hassi

390.0

II a

390.5

391.8

Giv-2

391.0

Giv-1 Eif-3

391.6 391.88 392.3

Eif-2

392.8

Eif-1

393.3

390.37 390.46 390.64

II a

391.12 391.31

391.21

392.45

393.0

If

392.6 392.94

Ie

393.37

Polygnathus hemiansatus Polygnathus xylus - ensensis Tortodus kock. kockelianus

393.98

395

Lower

Eifelian

397.5

Ems-8 Ems-7

Ems-6

Maenioceras

Pinacites 394.76 394.94 395.19

Id

395.0 395.16 395.4

396.56

396.65

397.5

397.5

Tortodus kock. australis Polygnathus costatus costatus Polygnathus costatus partitus

Anarcestes

398.3

Polygnathus costatus patulus

398.93

Ems-5 400

399.5

Polygnathus serotinus Ic

400.35

Ems-4

Emsian

Ic

401.2

Polygnathus inversus 402.54

402.6

Sayan (Rn) hyperchron

Early

405

400.35

402.73

Polygnathus nothoperbonus Anetoceras

Ems-3

404.0

404.17

Polygnathus gronbergi / excavatus

404.34 404.9

407.0

Ems-2

406.0 406.45

Ems-1

407.0

Polygnathus kitabicus Monograptus yukonensis Polygnathus pireneae

407.74 408.32

408.35

Pragian

Ib

410

Prag-1 411.2

Loch-4

409.21

410.0

409.94

410.82

410.78 411.2

Ia

411.5

Eognathodus sulcatus kindlei

Ib

Loch-3

Ia

Only straight ammonoids known

416.0

Loch-2

414.5 414.85

Loch-1

415.5

Pridoli

Ludlow-Pridoli mixed-polarity interval

Ludlow

Ludfordian

Lud-3

Lud-1

421.0

Gor-1

0a

426.2

Silur-8

Silur-7

Hom-2

425.0

Hom-1

425.55 426.0

Neocucullograptus kozlowskii Polonograptus podoliensis

Upper

Tely-3

Ozarkodina bohemica

Colonograptus praedeubeli - deubeli

Ozarkodina sagitta rhenana Kockelella ranuliformis

Llandovery mixedpolarity interval

Tely-1

Cyrtograptus rigidus - perneri Monograptus riccartonensis belophorus - antennularis Cyrtograptus centrifugus murchisoni Cyrtograptus lapworthi - insectus Oktavites spiralis Interval Zone

430.5

Pterospathodus celloni Pterospathodus eopennatus

Monograptus griestoniensis crenulata

433.0

439.0

440

Spirograptus turriculatus

Silur-3 Distomodus staurognathoides

435.0

Spirograptus guerichi

435.9

Aer-2

436.8

Silur-2

437.79

Tippecanoe

Aeronian

Silur-4

Cyrtograptus lundgreni

Monograptus crispus Tely-2

436.0

Pterospathodus amorphognathoides

429.0

431.75

Telychian

Lobograptus scanicus Neodiversograptus nilssoni Colonograptus ludensis

Ozarkodina sagitta sagitta

Silur-5

427.5

429.75

Saetograptus leintwardinensis

Kockelella stauros

428.18

Tely-4

Monograptus formosus

Pristiograptus parvus Gothograptus nassa

426.68

Shein-1

Ozarkodina snajdri Interval Zone

[ not zoned ]

Silur-5a

Monograptus bouceki transgrediens - perneri Monograptus branikensis lochkovensis Monograptus parultimus - ultimus

Ancoradella ploeckensis Silur-6

Monograptus praehercynicus, M. uniformis

Ozarkodina remscheidensis Interval Zone Ozarkodina crispa

Polygnathoides siluricus

423.0 424.0

428.2

Llandovery

Icriodus woschmidti postwoschmidti

200m

420.7

422.0

Wenlock Normalpolarity interval

Wenlock

420.5

434.0

435

100

419.0

Lud-2

Gorstian

Homerian

417.5

419.75

421.3

Sheinwoodian

Silurian

430

0

418.02

422.9

425

Ozarkodina eurekaensis

Silurian-Ordovician Sea Level

Oulodus elegans detortus Pri-1

Monograptus hercinicus

Ozarkodina delta

416.1

418.7

420

Pedavis pesavis

413.5 414.0

415

Monograptus falcarius

Eognathodus sulcatus sulcatus

412.5

Lochkovian

Graptolite Zones

Aer-1

Pterospathodus tenuis

439.0

Silur-1 441.12

Rhuddanian

Ordovician Sealevel Events (Baltoscandia)

Stimulograptus sedgwickii Lituigraptus convolutus Monograptus argenteus leptotheca Demirastrites triangulatuspectinatus Coronograptus cyphus

Distomodus kentuckyensis

Orthograptus vesiculosis Parakidograptus acuminatus

Rhuddanian (Saelabonn) Transgressive Event 443.7

Rhud-1

Hirnantian

445

HirnantianLt. Katian N

Hirn-1 Kat-7

Kat-6 Kat-5

450

Kat-3

450.0

Lower Sandbian-E. Katian mixed interval (Pavlov-Gallet, 2005)

Kat-1 Sand-3

455.5 455.75 456.2

Sand-2

Darr-3 Darr-2

Darriwilian

pre-pacificus Climacograptus? uncinatus

Linearis Drowning-3 Event

Dicellograptus gravis Linearis Drowning-2 Event

Amorphognathus superbus

Linearis Drowning-1 Event Solvang Lowstand Event Nakkholmen Drowning Event

Late LlanvirnCaradoc Highstand

458.2

Darr-1

Diplacanthograptus lanceolatus

Keila Drowning Event

Amorphognathus tvaerensis Arnestad Drowning

Nemagraptus gracilis

Archiclimacograptus riddellensis Furudal Highstand

462.8 463.28

Skarlov Lowstand

464.0

Helskjer Drowning Event

Pygodus serra

Eoplacognathus suecicus

Pseudoclimacograptus decoratus

467.0

Basal Llanvirn Drowning Event

Eoplacognathus variabilis

Undulograptus intersitus

Late Arenig Early Llanvirn Lowstand

Baltoniodus norrlandicus

Mayero Reversed Superchron

Paroistodus originalis

Dap-2

471.0

Dap-1

471.48 471.8

Komstad Regressive Event Gardlosa Drowning Event

Baltoniodus navis Baltoniodus triangulatus

Basal Whiterock Lowstand

Flo-5

473.0

Mid Arenig Highstand

Upper

474.0

Flo-4

Undulograptus austrodentatus Cardiograptus morsus Oncograptus upsilon Isograptus victoriae maximus Isograptus victoriae victoriae Isograptus victoriae lunatus Isograptus primulus

472.34

Floian

Oepikodus evae Evae Drowning Event

Didymograptus protobifidus

(Pendeograptus fruticosus)

475.0 Billingen Transgressive Event

475.5

Flo-3

476.0 476.45

Flo-2

477.0

Prioniodus elegans Tetragraptus approximatus

478.2

Early

478.6

480

Pygodus anserinus

468.6

475

Orthograptus calcaratus

Vollen Lowstand

460.9 461.35 461.8 462.2

468.1

471.8

Dicranograptus kirki

Diplacanthograptus spiniferus

Frognarkilen Lowstand Event

465.5

Dapingian

Normalograptus? extraordinarius

Stein Lowstand Event

Middle

Ordovician

Darr-4

Normalograptus? persculptus

Paraorthograptus pacificus

459.69

Sand-1

Akidograptus ascensus

Amorphognathus ordovicicus

Grimsoya Regressive Event

452.0

457.2

460.9

470

Ordovician: North Atlantic Conodont Zones

Husbergoya Drowning Event Spannslokket Drowning Event

453.75

460

465

Hirnantian Lowstand Event Langoyene Drowning Event Terminal Husbergoya Lowstand Event

451.0

Late

Sandbian

Ashgill Lowstand Interval

447.3 447.65 448.0 448.4 449.0 449.35

Kat-2

455.8

445.7 445.88 446.3 446.7

Kat-4

Katian

455

443.7 444.6

445.6

Rexroadus nathani

Flo-1

481.0

Late TremadocE. Arenig Lowstand

Paroistodus proteus

Copiosus Drowning Event

Araneograptus pulchellus

482.26

Tremadocian

Trem-3

485

483.8

485.15

Stage 10

490

Furongian

492.0

495

Ord-Camb boundary series (Pavlov-Gallet, 2005)

488.3

Trem-2

486.8 487.55

Trem-1 Camb10-4

Camb10-3

488.3 488.65 489.0 489.4 489.8 490.5

Camb10-2 Camb10-1

491.2 491.56 492.0

493.2

Stage 9 Camb9-1

495.0

496.0 497.0

Middle

Paibian 499.0

Series 3

Sauk

503.0

Siberia C. prolindstromi (Australia) Hysterolenus - Onychopyge Hirsutodontus simplex (Australia) Leiostegium constrictum Eopatokephalus nyaicus Cordylodus proavus (Australia) Shenjiawania brevica Mictosaukia perplexa Mictosaukia striata -Fatocephalus Dolgeuloma abunda - D. Archaeuloma taoyuanense Neoagn. quasibilobus dolganensis Leioagnostus cf. bexelli Shergoldia nomas Lotagnostus americanus Ketyna ketiensis - Monosulcatina laeve Sinosaukia impages Hedinaspis regalis Rhaptagn. clarki maximus - Rh. papilio Probinacunaspis nasalis Rh. bifax - N. denticulatus Peichiashania hunanensis Tukalandaspis egens Rh. clarki prolatus - Caz. secatrix Eolotagnostus decoratus Rh.c. patulus - C. squamosa - H. lilyensis Kaolishaniella Peichiashania tertia - P. quarta Rhaptagnostus ciliensis Irvinella norilica Peich. secunda - Pro. glabella Onchonotellus cf. kuruktagensis Norilagn. quadratus - Irvingella cipita Wentsuia iota - Rhaptagn. apsis Agnostotes orientalis - Irvingella Agnostotes orientalis - Irvingella perfecta Irvingella tropica angustilimbata Corynexochus plumula Stigmatoa diloma Erixanium sentum Sinoproceratopyge cf. kiangshanensis Erixanium sentum Innitagnostus inexpectans [ Blank zone ] Proceratopyge cryptica Proceratopyge protracta Glyptagnostus reticulatus

Pedinocephalina - Toxotis

Guzh-2

501.0 501.35

Proagnostus bulbus

Erediaspis eretes

Acrocephalella granulosa Koldiniella prolixa

Guzh-1

502.0

Lejopyge laevigata

504.0

Dam. torosa - Fer. janitrix Lejopyge laevigata

Lejopyge laevigata Oidalagnostus trispinifer

Lejopyge armata Goniagnostus nathorsti

Goniagnostus nathorsti

Anomocarioides limbataeformis

Ptychagnostus punctuosus

Doryagnostus deltoides Ptychagnostus punctuosus

505.0

Drum-1

506.0

Camb5-3

506.5 507.0 507.18 507.5

Camb5-2

508.1

Camb5-1

Ptychagnostus atavus Ptychagnostus gibbus Oryctocephalus orientalis

Euragnostus opimus

Anopolenus henrici Corynexochus perforatus

Ptychagnostus atavus

Tomagnostus fissus

Ptychagnostus gibbus Pentagnostus shergoldi Pentagnostus praecurrens

Ptychagnostus gibbus

Pentagnostus anabarensis

Kounamkites

509.0

Oryctocephalus indicus 510.13

Ovatoryctocara granulata Bathynotus holopygus

Xystridura negrina

511.5

Protoryctocephalus

Stage 4

512.75

Camb4-1

514.0 514.67

515.0

Camb3-5

Redlichia forresti

Camb3-4

517.0 517.32

Camb3-3

517.8 518.2

Camb3-2

518.8

Bergeroniellus ketemensis [ Gap ] Pararaia janeae

Sichuanolenus - Chengkouia

Pararaia bunyerooensis Pararaia tatei

Abadiella huoi

519.9 521.0

Camb3-1

521.0

522.5

Camb2-2

Stage 2

Fortunian

535

525.4

Heraultipegma yunnanensis

Camb2-1

530.0

Fort-6

ARCHAEOCYATHAN ZONES: Dok. lenaicus-Tum. primigenius Dokidocyathus regularis

Watsonella

[ Blank zone ]

Siphogonuchites triangularis Paragloborilus subglobosus

533.0 533.9

Fort-5

535.0 535.45

Fort-4

536.0

Fort-2

Ediacaran

Profallotaspis jakutensis

Purella antiqua

538.0

540.0 540.7

550

Pagetiellus anabarus

SMALL SHELLY FOSSIL ZONES:

528.0

539.0

545

SMALL SHELLY FOSSIL ZONES:

Sinosachites flabelliformis Tannuolina zhangwentangi

[ Blank zone ]

Fort-3

542.0

SMALL SHELLY FOSSIL ZONES:

[ Blank zone ]

536.8

540

B. micmacciformis -Erbiella

Fallotaspis

524.0

Lower

Terreneuvian

530

Bergeroniellus gurarii

Nochoroicyathus sunnaginicus

Early-Cambrian series (Kirschvink and Rozanov, 1984; Kirschvink, 1978)

528.0

Bergeroniellus ornata

Judomia

Hupeidiscus - Sinodiscus 520

Lermontovia grandis

Bergeroniellus asiaticus

515.5 516.25

Stage 3

Arthricocephalus

Ovatoryctocara granulata Schistocephalus antiquus Anabaraspis splendens

Arthricocephalites - Changaspis

525

Trilobite Zones and Cambrian events -

Achmarhachis quasivespa

Camb4-2

Series 2

Cambrian

515

Cordylodus angulatus

Linguagnostis reconditus

510.0

510

Anisograptus

500.0

Drumian

Stage 5

Late Cambrian Lowstand

South China

Psigraptus jacksoni

Glyptagnostus stolidotus

Drum-2

506.5

Acerocare Regressive Event

Trilobite Zones and major Cambrian events

Aorograptus victoriae

Glyptagnostus reticulatus Glyptagnostus stolidotus

499.0

502.9

Mid-Cambrian series (Pavlov-Gallet, 2005)

505

Stonehenge Transgression

Paltodus deltifer

Glyptagnostus reticulatus Glyptagnostus stolidotus

Paib-1

500

Guzhangian

EarlyMiddle Tremadocian Highstand

Hagastrand Drowning Event Ceratopyge Regressive Event Kiaerograptus Drowning Event Peltocare Regression Event Black Mountain Regression Event

Fort-1

542.0 542.8

Vend-4

544.0 544.83

Vend-3

545.5 546.63

Vend-2

548.0 548.5

Vend-1

549.0

Anabarites trisulcatus Protohertzium anabarica

Anabarites trisulcatus