http://rstb.royalsocietypublishing.org/content/369/1650/20130468 Day 200 has 15 protein-coding genes (browser view) including CNTLN (centlein).
Centlein is named because it is found along with centrosomes, points in the cells where the cell skeleton “organizes” itself, especially important as the “poles” when a cell divides.
Click here to see all 8649670 letters of Day 200