Овальні раковини в Черкасах

[1800,1840,2311,2319,2439,2469,2473,2659,2990,3050,3059,3082,3174,3234,3244,3279,3496,3549,3565,3653,3663,3677,3680,3694,3703,3800,3818,3853,3861,3864,3890,3913,3913,3990,4000,4099,4133,4152,4268,4278,4280,4367,4369,4400,4455,4462,4489,4508,4580,4582,4590,4597,4670,4800,4830,4862,4876,4902,4968,4990,5014,5123,5175,5198,5273,5290,5349,5428,5432,5472,5520,5566,5629,5650,5750,5934,5960,6059,6099,6210,6256,6337,6394,6399,6486,6578,6606,6716,6722,6800,6900,6957,7013,7050,7082,7089,7132,7280,7297,7297,7412,7464,7480,7486,7607,7634,7636,7677,7731,7820,7823,7854,7862,7866,7943,8037,8372,8413,8507,8510,8602,9200,9246,9253,9333,9338,9807,9827,9870,9969,9974,10105,10152,10212,10542,10672,10755,10887,10904,10920,10996,11421,11564,12256,12586,13156,13160,13442,13569,13818,14074,14076,14214,14272,14480,15136,15400,15456,15686,15936,15950,16008,16703,16790,19006,19693,24784,24979,25025,26280,27600,28129,29575,32592,35493,52479,66998]