In order to get the eggs on genisis find the lava cave (32.3 85.4 cords) and use the regular mek (doesn't fit in entrance) and wipe out all the magmasaurs In the area and look for the nest they are not hard to find and there might be a egg. If this didn't help then this should (I still suggest using the mek) https://youtu.be/2VWDTZHOxzE