[1] NA 32185.157 NA NA NA NA [7] 12506.572 78820.940 7444.477 NA 14861.281 NA [13] NA NA NA 82364.858 41316.446 23033.235 [19] 25003.562 NA NA NA 21160.182 16877.624 [25] 30877.176 40116.382 20979.573 37727.809 18558.433 12171.546 [31] 25128.258 18495.497 6304.065 21516.960 15022.427 22362.839 [37] 43254.712 30243.124 18574.888 13203.410 NA 22617.662 [43] 23224.726 29583.841 27819.059 NA NA 50432.384 [49] 43705.089 32806.021 NA 23717.654 28768.722 NA [55] 48507.903 19939.564 74900.617 14736.793 77546.244 NA [61] 28498.665 19141.329 22308.891 NA 24494.638 18550.325 [67] 17829.568 11060.085 22229.006 NA 21067.188 17084.502 [73] NA 48771.965 NA 39305.171 52567.235 53829.898 [79] 28310.124 47961.124 30012.462 65440.343 63146.632 21024.005 [85] 13542.048 21803.626 14435.584 9313.807 9715.371 42405.329 [91] 63828.942 6650.109 13858.517 95710.283 30168.387 NA [97] 42733.681 17556.856 NA NA 21756.436 NA [103] 20907.291 NA 13218.557 23227.188 NA 10126.827 [109] 27430.633 17249.880 9804.301 NA NA NA [115] 54225.032 NA 47792.990 40385.534 54427.349 9424.110 [121] 40824.302 30124.580 64979.981 53518.511 20882.902 NA [127] 6960.529 13284.450 9179.584 27277.492 NA 39600.799 [133] 11586.059 NA 64655.553 40680.115 17162.838 30769.819 [139] 14897.382 14740.182 NA 12689.195 14704.747 17578.880 [145] NA 32264.723 65153.491 27664.937 23430.599 23657.922 [151] NA 11994.798 17466.575 18229.814 35439.427 24206.050 [157] 14745.203 20818.222 30083.712 16674.092 69391.717 25009.628 [163] NA NA 10270.409 NA NA NA [169] 22558.247 NA 19129.507 NA 39658.470 17854.522 [175] 48879.795 17652.079 42145.272 17588.550 NA 15452.431 [181] 17910.467 NA 15832.594 32214.688 37598.768 56219.420 [187] NA 28768.771 93777.474 NA 36481.892 26625.897 [193] 68324.468 NA 25270.559 NA 73976.991 7968.589 [199] NA NA 45708.564 56127.631 NA NA [205] 16575.737 21744.451 84268.733 36725.142 18640.489 21309.079 [211] 63343.294 20869.978 14174.909 37229.811 NA 36018.667 [217] 29840.215 NA 19648.376 25994.176 NA NA [223] 23121.497 14223.456 16736.797 46684.070 23371.148 NA [229] 19890.461 NA 18363.870 23991.588 21484.680 19862.076 [235] 12387.193 35876.510 24075.273 1718.610 NA 26988.466 [241] 52020.963 13968.674 NA NA 21201.463 25894.073 [247] 19940.137 15849.554 NA 17482.733 13428.586 NA [253] 28530.059 NA NA 50486.682 68001.483 NA [259] 13424.503 36992.087 44634.774 87137.633 16422.892 NA [265] 14102.676 139966.752 7181.563 21595.627 NA 21569.776 [271] 32476.380 15839.892 14819.203 30870.537 NA NA [277] 52166.222 16640.418 NA 39849.010 NA 19786.702 [283] 93357.203 25038.428 NA NA 18202.741 29621.123 [289] 49060.755 NA NA 51488.462 12891.755 27717.774 [295] NA 9530.967 13845.123 37881.728 35634.036 115995.364 [301] 7574.805 27952.216 NA NA 15571.662 NA [307] 10634.797 57983.825 24432.571 25051.612 NA NA [313] 16779.075 59179.685 11794.008 54109.527 15316.795 17402.851 [319] 17301.306 65132.570 NA NA 83848.935 14774.983 [325] NA 23984.440 NA 19294.809 12550.558 138939.089 [331] 10888.874 20481.437 27709.066 13589.945 67225.547 87695.751 [337] 25208.154 38830.421 29232.520 NA 20764.426 20799.227 [343] 10365.452 21436.332 27998.535 NA 21466.970 41516.802 [349] 15815.740 NA 12885.977 60968.016 NA 17036.988 [355] NA 19406.318 14235.821 16219.097 43251.471 12476.160 [361] 28348.214 71392.218 NA 15611.598 NA 10827.316 [367] NA 14700.569 40950.920 21092.400 18905.957 19675.786 [373] 92304.573 28228.852 NA NA NA NA [379] 59373.364 54893.729 19247.944 21305.540 40819.252 11051.403 [385] NA 14910.858 33483.665 42568.387 28876.417 30774.108 [391] NA 67329.561 36573.785 22317.945 21551.362 NA [397] 51324.688 33260.029 NA 19826.183 50526.610 13609.067 [403] 4061.440 21587.473 38851.462 12292.449 NA 38597.921 [409] 58052.158 67194.398 14675.683 NA 36404.871 19526.800 [415] 56702.309 22424.327 43282.284 22269.176 9117.223 18792.361 [421] NA 22383.243 NA 27217.514 57354.567 42006.016 [427] NA 22919.966 26001.613 51173.595 17718.697 45518.783 [433] 35238.648 16865.490 70418.427 44411.273 88392.462 10302.890 [439] 12640.734 19850.258 14127.249 50948.120 67496.185 20595.364 [445] 13586.015 56942.478 16819.121 27323.273 72727.668 NA [451] NA 37845.983 22214.736 21836.388 21546.983 26609.338 [457] NA 36783.627 NA 25384.322 NA 22298.389 [463] 17038.728 42100.256 22800.121 22298.571 60230.271 36886.660 [469] 57269.976 33511.977 17761.501 21680.777 15166.484 NA [475] 38468.569 23026.283 NA 11155.902 NA 19884.624 [481] 20033.140 NA 26807.470 7521.548 NA 43325.383 [487] 41753.135 67908.261 NA 15195.821 59727.386 NA [493] 23583.661 NA 69774.787 85379.415 31820.633 31224.806 [499] 8413.036 89623.744 # A tibble: 500 x 3 species lengths masses 1 Ankylosauria 17.9 NA 2 Stegosauria 20.6 32185. 3 Ankylosauria 20.3 NA 4 Ankylosauria 23.0 NA 5 Ankylosauria 22.5 NA 6 Ankylosauria 11.5 NA 7 Sauropoda 16.2 12507. 8 Theropoda 24.4 78821. 9 Theropoda 12.7 7444. 10 Ankylosauria 11.3 NA