In SI units, 1E-8 BTC would be 10 nBTC (read: nano-BTC). So I guess any of "10 nBTC", "10 nanoBTC", "10 nanocoins" or "10 nanos". XD

p.s. The 1E-8 atomic unit isn't fixed in stone. It could very well change tomorrow: as such it's pointless searching for a name...