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Letrero Formation

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279: 286: 251: 441: 437:"A new species of Dasypodidae (Xenarthra: Cingulata) from the late Miocene of northwestern South America: implications in the Dasypodini phylogeny and diversity" 388: 266: 360: 474: 469: 278: 534: 406: 529: 203: 164: 320: 514: 509: 519: 157: 524: 479: 504: 435:
Carlini, Alfredo A.; Castro, Mariela C.; Madden, Richard H.; Scillato Yané, Gustavo J. (2013),
120: 8: 324: 494: 489: 484: 436: 499: 238: 196: 463: 316: 218: 205: 179: 166: 77: 37: 24: 308: 28: 410: 366: 52: 376: 371: 332: 97: 62: 344: 340: 145: 135: 102: 46: 92: 87: 72: 67: 57: 336: 328: 256: 107: 82: 434: 312: 33: 442:
Historical Biology: An International Journal of Paleobiology
389:
List of fossiliferous stratigraphic units in Ecuador
461: 416: 285: 355:The formation has provided fossils of: 462: 13: 14: 546: 350: 284: 277: 249: 50: 475:Miocene Series of South America 428: 470:Geologic formations of Ecuador 400: 1: 394: 197:Approximate paleocoordinates 7: 535:Geography of Azuay Province 382: 339:clastic input and contains 293:Letrero Formation (Ecuador) 10: 551: 331:. The formation comprises 272: 262: 244: 234: 195: 156: 151: 141: 131: 126: 116: 23: 18: 361:Anadasypus aequatorianus 530:Paleontology in Ecuador 335:sediments with strong 515:Sandstone formations 510:Siltstone formations 422:Carlini et al., 2014 321:SALMA classification 121:Geological formation 520:Lacustrine deposits 215: /  176: /  25:Stratigraphic range 367:Caviomorpha indet. 377:Toxodontia indet. 372:Litopterna indet. 343:and fine-grained 327:in south-central 305:Letrero Formation 301: 300: 19:Letrero Formation 542: 525:Fluvial deposits 456: 455: 454: 423: 420: 414: 404: 288: 287: 281: 255: 253: 252: 230: 229: 227: 226: 225: 220: 216: 213: 212: 211: 208: 191: 190: 188: 187: 186: 181: 177: 174: 173: 172: 169: 112: 49: 16: 15: 550: 549: 545: 544: 543: 541: 540: 539: 480:Neogene Ecuador 460: 459: 452: 450: 431: 426: 421: 417: 405: 401: 397: 385: 353: 297: 296: 295: 294: 291: 290: 289: 250: 248: 223: 221: 217: 214: 209: 206: 204: 202: 201: 184: 182: 178: 175: 170: 167: 165: 163: 162: 111: 110: 105: 100: 95: 90: 85: 80: 75: 70: 65: 60: 55: 44: 43: 41: 31: 12: 11: 5: 548: 538: 537: 532: 527: 522: 517: 512: 507: 502: 497: 492: 487: 482: 477: 472: 458: 457: 430: 427: 425: 424: 415: 407:RHM Locality 4 398: 396: 393: 392: 391: 384: 381: 380: 379: 374: 369: 364: 352: 351:Fossil content 349: 299: 298: 292: 283: 282: 276: 275: 274: 273: 270: 269: 264: 260: 259: 246: 242: 241: 239:Azuay Province 236: 232: 231: 199: 193: 192: 160: 154: 153: 149: 148: 143: 139: 138: 133: 129: 128: 124: 123: 118: 114: 113: 106: 101: 96: 91: 86: 81: 76: 71: 66: 61: 56: 51: 45:11.6–5.3  21: 20: 9: 6: 4: 3: 2: 547: 536: 533: 531: 528: 526: 523: 521: 518: 516: 513: 511: 508: 506: 505:Montehermosan 503: 501: 498: 496: 493: 491: 488: 486: 483: 481: 478: 476: 473: 471: 468: 467: 465: 448: 444: 443: 438: 433: 432: 419: 412: 408: 403: 399: 390: 387: 386: 378: 375: 373: 370: 368: 365: 363: 362: 358: 357: 356: 348: 346: 342: 338: 334: 330: 326: 322: 318: 317:Montehermosan 314: 310: 306: 280: 271: 268: 267:Sierra Region 265: 261: 258: 247: 243: 240: 237: 233: 228: 200: 198: 194: 189: 161: 159: 155: 150: 147: 144: 140: 137: 134: 130: 125: 122: 119: 115: 109: 104: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 48: 39: 38:Montehermosan 35: 30: 26: 22: 17: 451:, retrieved 449:(6): 728–736 446: 440: 429:Bibliography 418: 402: 359: 354: 309:Late Miocene 304: 302: 219:3.7°S 77.4°W 180:3.3°S 79.1°W 29:Late Miocene 411:Fossilworks 323:) geologic 224:-3.7; -77.4 222: / 185:-3.3; -79.1 183: / 158:Coordinates 464:Categories 453:2019-02-09 395:References 345:sandstones 341:siltstones 333:lacustrine 495:Chasicoan 490:Tortonian 485:Messinian 325:formation 146:Sandstone 136:Siltstone 127:Lithology 383:See also 152:Location 337:fluvial 329:Ecuador 319:in the 257:Ecuador 245:Country 210:77°24′W 171:79°06′W 132:Primary 500:Mayoan 313:Mayoan 263:Extent 254:  235:Region 207:3°42′S 168:3°18′S 34:Mayoan 307:is a 142:Other 413:.org 303:The 117:Type 53:PreꞒ 409:at 315:to 466:: 447:26 445:, 439:, 347:. 103:Pg 47:Ma 27:: 311:( 108:N 98:K 93:J 88:T 83:P 78:C 73:D 68:S 63:O 58:Ꞓ 42:~ 40:) 36:- 32:(

Index

Stratigraphic range
Late Miocene
Mayoan
Montehermosan
Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N
Geological formation
Siltstone
Sandstone
Coordinates
3°18′S 79°06′W / 3.3°S 79.1°W / -3.3; -79.1
Approximate paleocoordinates
3°42′S 77°24′W / 3.7°S 77.4°W / -3.7; -77.4
Azuay Province
Ecuador
Sierra Region
Letrero Formation is located in Ecuador
Late Miocene
Mayoan

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