Knowledge (XXG)

Tanzanonautes

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around 50 millimetres (2.0 in) across the widest part, which is around 15 mm (0.6 in) from the front of the carapace; the carapace is 44 mm (1.7 in) from front to back, and the slightly inward-curving rear edge of the carapace is 28 mm (1.1 in) across. The genus
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Rodney M. Feldmann; Patrick M. O'Connor; Nancy J. Stevens; Michael D. Gottfried; Eric M. Roberts; Sifa Ngasala; Erin L. Rasmusson & Saidi Kapilima (2007).
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Sebastian Klaus; Darren C. J. Yeo & Shane T. Ahyong (2011). "Freshwater crab origins – laying Gondwana to rest".
497: 354:, although the characters mentioned in the family's diagnosis are missing from the fragmentary fossils available. 301: 620: 339: 430: 490: 421: 229: 435: 385:"A new freshwater crab (Decapoda: Brachyura: Potamonautidae) from the Paleogene of Tanzania, Africa" 343: 580: 287: 102: 291: 531: 474: 440: 401: 265: 405: 351: 185: 462: 574: 61: 295: 149: 36: 527: 444: 137: 81: 46: 316: 303: 330: 279: 125: 86: 338:
name refers to Tanzania, the country where the fossil was found, while the
470: 334: 269: 161: 76: 71: 56: 51: 41: 283: 91: 66: 278:. It is the oldest known freshwater crab, and probably dates from the 262: 113: 173: 393:
Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen
286:. A number of fragmentary remains were discovered in the 535: 478: 346:, an authority on freshwater crabs. The genus 555: 498: 8: 562: 548: 505: 491: 378: 376: 374: 372: 370: 368: 366: 20: 434: 282:; the next oldest specimens are from the 362: 7: 516: 514: 459: 457: 534:. You can help Knowledge (XXG) by 477:. You can help Knowledge (XXG) by 14: 586:Freshwater crustaceans of Africa 518: 461: 406:10.1127/0077-7749/2007/0244-0071 272:, the only species in the genus 1: 611:Prehistoric crustacean genera 596:Fossil taxa described in 2007 626:Prehistoric crustacean stubs 333:sediments. The animal had a 642: 513: 456: 350:is assigned to the family 298:, Tanzania (approximately 445:10.1016/j.jcz.2011.07.001 235: 228: 103:Scientific classification 101: 23: 616:Monotypic decapod genera 606:Prehistoric Malacostraca 530:-related article is a 258:Tanzanonautes tuerkayi 239:Tanzanonautes tuerkayi 25:Tanzanonautes tuerkayi 601:Oligocene crustaceans 422:Zoologischer Anzeiger 591:Fauna of East Africa 313: /  543: 542: 526:This prehistoric 486: 485: 292:East African Rift 254: 253: 633: 564: 557: 550: 522: 515: 507: 500: 493: 465: 458: 449: 448: 438: 416: 410: 409: 389: 380: 340:specific epithet 328: 327: 325: 324: 323: 318: 317:8.933°S 33.200°E 314: 311: 310: 309: 306: 261:is a species of 241: 96: 33: 29:Temporal range: 21: 641: 640: 636: 635: 634: 632: 631: 630: 571: 570: 569: 568: 512: 511: 454: 452: 436:10.1.1.648.7771 418: 417: 413: 387: 382: 381: 364: 360: 321: 319: 315: 312: 307: 304: 302: 300: 299: 266:freshwater crab 250: 243: 237: 224: 221:T. tuerkai 210: 203: 202: 188: 176: 164: 152: 140: 128: 116: 97: 95: 94: 89: 84: 79: 74: 69: 64: 59: 54: 49: 44: 39: 31: 30: 27: 17: 12: 11: 5: 639: 637: 629: 628: 623: 621:Decapoda stubs 618: 613: 608: 603: 598: 593: 588: 583: 573: 572: 567: 566: 559: 552: 544: 541: 540: 523: 510: 509: 502: 495: 487: 484: 483: 466: 451: 450: 429:(4): 449–456. 411: 361: 359: 356: 352:Potamonautidae 344:Michael Türkay 329:), in fragile 322:-8.933; 33.200 252: 251: 244: 233: 232: 226: 225: 218: 216: 212: 211: 204: 196: 194: 190: 189: 186:Potamonautidae 184: 182: 178: 177: 172: 170: 166: 165: 160: 158: 154: 153: 148: 146: 142: 141: 136: 134: 130: 129: 124: 122: 118: 117: 112: 110: 106: 105: 99: 98: 90: 85: 80: 75: 70: 65: 60: 55: 50: 45: 40: 35: 34: 28: 16:Genus of crabs 15: 13: 10: 9: 6: 4: 3: 2: 638: 627: 624: 622: 619: 617: 614: 612: 609: 607: 604: 602: 599: 597: 594: 592: 589: 587: 584: 582: 579: 578: 576: 565: 560: 558: 553: 551: 546: 545: 539: 537: 533: 529: 524: 521: 517: 508: 503: 501: 496: 494: 489: 488: 482: 480: 476: 473:article is a 472: 467: 464: 460: 455: 446: 442: 437: 432: 428: 424: 423: 415: 412: 407: 403: 399: 395: 394: 386: 379: 377: 375: 373: 371: 369: 367: 363: 357: 355: 353: 349: 348:Tanzanonautes 345: 342:commemorates 341: 336: 332: 326: 297: 293: 289: 288:Songwe Valley 285: 281: 277: 276: 275:Tanzanonautes 271: 267: 264: 260: 259: 248: 242: 240: 234: 231: 230:Binomial name 227: 223: 222: 217: 214: 213: 208: 201: 200: 199:Tanzanonautes 195: 192: 191: 187: 183: 180: 179: 175: 171: 168: 167: 163: 159: 156: 155: 151: 147: 144: 143: 139: 135: 132: 131: 127: 123: 120: 119: 115: 111: 108: 107: 104: 100: 93: 88: 83: 78: 73: 68: 63: 58: 53: 48: 43: 38: 26: 22: 19: 536:expanding it 525: 479:expanding it 468: 453: 426: 420: 414: 400:(1): 71–78. 397: 391: 347: 296:Mbeya Region 290:part of the 274: 273: 257: 256: 255: 246: 238: 236: 220: 219: 206: 198: 197: 169:Infraorder: 150:Malacostraca 24: 18: 320: / 133:Subphylum: 581:Potamoidea 575:Categories 528:crustacean 358:References 126:Arthropoda 431:CiteSeerX 331:sandstone 280:Oligocene 245:Feldmann 215:Species: 205:Feldmann 174:Brachyura 138:Crustacea 109:Kingdom: 32:Oligocene 471:Decapoda 335:carapace 270:Tanzania 181:Family: 162:Decapoda 121:Phylum: 114:Animalia 308:33°12′E 284:Miocene 193:Genus: 157:Order: 145:Class: 433:  305:8°56′S 263:fossil 249:, 2007 247:et al. 209:, 2007 207:et al. 469:This 388:(PDF) 268:from 532:stub 475:stub 37:PreꞒ 441:doi 427:250 402:doi 398:244 294:in 577:: 439:. 425:. 396:. 390:. 365:^ 87:Pg 563:e 556:t 549:v 538:. 506:e 499:t 492:v 481:. 447:. 443:: 408:. 404:: 92:N 82:K 77:J 72:T 67:P 62:C 57:D 52:S 47:O 42:Ꞓ

Index

PreꞒ

O
S
D
C
P
T
J
K
Pg
N
Scientific classification
Animalia
Arthropoda
Crustacea
Malacostraca
Decapoda
Brachyura
Potamonautidae
Binomial name
fossil
freshwater crab
Tanzania
Oligocene
Miocene
Songwe Valley
East African Rift
Mbeya Region
8°56′S 33°12′E / 8.933°S 33.200°E / -8.933; 33.200

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