Knowledge (XXG)

Ozan Formation

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Stratigraphy and Ostracoda of the Ozan, Annona, and Marlbrook Formations of southwestern Arkansas
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Annona Chalk overlying Ozan Formation at what is now called White Cliffs Natural Area, with the
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Bell, Alyssa; Irwin, Kelly J.; Davis, Leo Carson (2015).
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List of fossiliferous stratigraphic units in Arkansas
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Arkansas Geological Commission Information Circular
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(10 September 1926). 681: 662: 642: 724:McFarland, John David (2004) . 1095:Cretaceous geology of Oklahoma 977:This article about a specific 1: 1037:This article related to the 1105:Cretaceous geology of Texas 1136: 1024: 964: 37: 26: 1115:Arkansas geography stubs 702:Paleontology in Arkansas 48:from the Ozan Formation 918:10.1660/062.118.0305 739:: 29. Archived from 1100:Cretaceous Arkansas 689:Paleontology portal 653:in the foreground, 171:dating back to the 28:Stratigraphic range 936:– via JSTOR. 153:geologic formation 1057: 1056: 997: 996: 984:in Arkansas is a 781:Missing or empty 341:C. paraustinensis 287:Clithrocytheridea 145: 144: 1127: 1120:Cretaceous stubs 1078: 1071: 1064: 1033: 1026: 1018: 1011: 1004: 973: 966: 958: 956: 954: 938: 937: 912:(3/4): 219–229. 897: 891: 890: 882: 791: 790: 784: 779: 777: 769: 761: 755: 754: 752: 751: 745: 730: 721: 691: 686: 685: 684: 666: 646: 531:Orthonotacythere 455:H. micropunctata 42: 19: 1135: 1134: 1130: 1129: 1128: 1126: 1125: 1124: 1085: 1084: 1083: 1082: 1023: 1022: 962: 952: 950: 945: 942: 941: 899: 898: 894: 884: 883: 794: 780: 770: 763: 762: 758: 749: 747: 743: 728: 723: 722: 715: 710: 687: 682: 680: 677: 670: 667: 658: 647: 638: 624: 617: 523:M. prothroensis 481:K. postporjecta 427:Haplocytheridea 403:C. tollettensis 258:B. rhomboidalis 191: 184: 167:. It preserves 99:150 to 250 feet 90:Brownstown Marl 49: 17: 12: 11: 5: 1133: 1131: 1123: 1122: 1117: 1112: 1107: 1102: 1097: 1087: 1086: 1081: 1080: 1073: 1066: 1058: 1055: 1054: 1034: 1021: 1020: 1013: 1006: 998: 995: 994: 974: 960: 959: 940: 939: 892: 792: 756: 712: 711: 709: 706: 705: 704: 699: 693: 692: 676: 673: 672: 671: 668: 661: 659: 657:, AR (c. 1910) 648: 641: 637: 634: 633: 632: 623: 618: 616: 615: 609: 608: 600: 599: 594: 589: 583: 582: 574: 573: 567: 566: 563:Pterygocythere 558: 557: 551: 550: 542: 541: 535: 534: 526: 525: 520: 515: 509: 508: 500: 499: 493: 492: 484: 483: 478: 472: 471: 463: 462: 457: 452: 447: 442: 437: 435:H. bruceclarki 431: 430: 422: 421: 415: 414: 406: 405: 400: 395: 390: 384: 383: 380:Cytherelloidea 375: 374: 372:C. austinensis 368: 367: 359: 358: 353: 348: 343: 338: 333: 331:C. dallasensis 328: 323: 318: 313: 307: 306: 298: 297: 291: 290: 282: 281: 275: 274: 266: 265: 260: 255: 249: 248: 240: 239: 233: 232: 224: 223: 217: 216: 208: 207: 205:A. ponderosana 201: 200: 192: 190: 185: 183: 180: 149:Ozan Formation 143: 142: 139: 135: 134: 130: 129: 124: 120: 119: 110: 106: 105: 101: 100: 97: 93: 92: 83: 79: 78: 73: 69: 68: 65: 61: 60: 55: 51: 50: 43: 35: 34: 24: 23: 22:Ozan Formation 15: 13: 10: 9: 6: 4: 3: 2: 1132: 1121: 1118: 1116: 1113: 1111: 1108: 1106: 1103: 1101: 1098: 1096: 1093: 1092: 1090: 1079: 1074: 1072: 1067: 1065: 1060: 1059: 1053: 1051: 1047: 1043: 1040: 1035: 1032: 1028: 1019: 1014: 1012: 1007: 1005: 1000: 999: 993: 991: 987: 983: 980: 979:stratigraphic 975: 972: 968: 963: 949: 944: 943: 935: 931: 927: 923: 919: 915: 911: 907: 903: 896: 893: 888: 881: 879: 877: 875: 873: 871: 869: 867: 865: 863: 861: 859: 857: 855: 853: 851: 849: 847: 845: 843: 841: 839: 837: 835: 833: 831: 829: 827: 825: 823: 821: 819: 817: 815: 813: 811: 809: 807: 805: 803: 801: 799: 797: 793: 788: 775: 767: 760: 757: 746:on 2016-12-21 742: 738: 734: 727: 720: 718: 714: 707: 703: 700: 698: 695: 694: 690: 679: 674: 665: 660: 656: 655:Howard County 652: 645: 640: 635: 631: 630: 626: 625: 622: 619: 614: 611: 610: 607: 606: 605:Velarocythere 602: 601: 598: 595: 593: 590: 588: 587:V. arachoides 585: 584: 581: 580: 576: 575: 572: 571:P. saratogana 569: 568: 565: 564: 560: 559: 556: 553: 552: 549: 548: 547:Phacorhabdots 544: 543: 540: 537: 536: 533: 532: 528: 527: 524: 521: 519: 516: 514: 511: 510: 507: 506: 502: 501: 498: 495: 494: 491: 490: 486: 485: 482: 479: 477: 474: 473: 470: 469: 465: 464: 461: 458: 456: 453: 451: 448: 446: 443: 441: 438: 436: 433: 432: 429: 428: 424: 423: 420: 417: 416: 413: 412: 411:Cytheropteron 408: 407: 404: 401: 399: 396: 394: 391: 389: 386: 385: 382: 381: 377: 376: 373: 370: 369: 366: 365: 361: 360: 357: 354: 352: 349: 347: 344: 342: 339: 337: 334: 332: 329: 327: 324: 322: 319: 317: 314: 312: 309: 308: 305: 304: 300: 299: 296: 295:C. fabaformis 293: 292: 289: 288: 284: 283: 280: 277: 276: 273: 272: 268: 267: 264: 263:B. sphenoides 261: 259: 256: 254: 251: 250: 247: 246: 245:Brachycythere 242: 241: 238: 235: 234: 231: 230: 229:Bairdoppilata 226: 225: 222: 219: 218: 215: 214: 213:Amphicytherur 210: 209: 206: 203: 202: 199: 198: 194: 193: 189: 186: 181: 179: 177: 174: 170: 166: 162: 158: 154: 150: 140: 136: 131: 128: 127:United States 125: 121: 118: 114: 111: 107: 102: 98: 94: 91: 87: 84: 80: 77: 74: 70: 66: 62: 59: 56: 52: 47: 41: 36: 33: 29: 25: 20: 1050:expanding it 1036: 990:expanding it 976: 961: 951:. Retrieved 909: 905: 895: 886: 783:|title= 774:cite journal 765: 759: 748:. Retrieved 741:the original 736: 732: 651:Little River 627: 612: 603: 596: 591: 586: 577: 570: 561: 554: 545: 538: 529: 522: 517: 512: 505:Monoceratina 503: 497:L. fletcheri 496: 487: 480: 475: 466: 459: 454: 449: 444: 440:H. councilli 439: 434: 425: 418: 409: 402: 397: 392: 387: 378: 371: 362: 356:C. verricula 355: 350: 345: 340: 335: 330: 326:C. costatana 325: 320: 315: 310: 301: 294: 285: 278: 269: 262: 257: 253:B. ledaforma 252: 243: 236: 227: 220: 211: 204: 197:Alatacythere 195: 148: 146: 133:Type section 86:Austin Chalk 76:Annona Chalk 67:Austin Group 953:17 December 629:Hesperornis 613:V. reesidei 592:V. gapensis 513:M. montuosa 476:K. cushmani 460:H. plummeri 450:H. insolita 398:C. spiralia 346:C. plummeri 321:C. communis 311:C. bicornis 279:B. windhami 271:Bythocypris 1089:Categories 1039:Cretaceous 750:2018-01-12 708:References 597:V. ozanana 555:P. texanus 489:Loxoconcha 445:H. globosa 393:C. ozanana 364:Cytherella 316:C. caudata 237:B. rotunda 182:Paleofauna 173:Cretaceous 32:Cretaceous 982:formation 539:O. hannai 518:M. pedata 419:C. blakei 388:C. crafti 351:C. spoori 336:C. hannai 188:Ostracods 141:C.H. Dane 96:Thickness 72:Underlies 64:Sub-units 58:Formation 46:ammonites 934:83921936 926:24887762 675:See also 636:Outcrops 303:Cytheris 221:A. dubia 161:Oklahoma 157:Arkansas 138:Named by 117:Oklahoma 113:Arkansas 104:Location 82:Overlies 768:(8823). 169:fossils 123:Country 44:Fossil 1042:period 932:  924:  621:Avians 579:Veenia 468:Krithe 176:period 109:Region 1044:is a 930:S2CID 922:JSTOR 744:(PDF) 729:(PDF) 165:Texas 151:is a 1046:stub 986:stub 955:2021 787:help 163:and 147:The 54:Type 914:doi 910:118 155:in 1091:: 928:. 920:. 908:. 904:. 795:^ 778:: 776:}} 772:{{ 737:36 735:. 731:. 716:^ 178:. 159:, 115:, 88:, 30:: 1077:e 1070:t 1063:v 1052:. 1017:e 1010:t 1003:v 992:. 957:. 916:: 789:) 785:( 753:.

Index

Stratigraphic range
Cretaceous

ammonites
Formation
Annona Chalk
Austin Chalk
Brownstown Marl
Arkansas
Oklahoma
United States
geologic formation
Arkansas
Oklahoma
Texas
fossils
Cretaceous
period
Ostracods
Alatacythere
Amphicytherur
Bairdoppilata
Brachycythere
Bythocypris
Clithrocytheridea
Cytheris
Cytherella
Cytherelloidea
Cytheropteron
Haplocytheridea

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