coccoid

pallo-, kokkimainen spherical, shaped like a coccus
{{quote-journal|date=December 10, 1999|author=|title=Microorganisms in the Accreted Ice of Lake Vostok, Antarctica|work=Science|url=http://www.sciencemag.org/cgi/content/abstract/286/5447/2144|doi=10.1126/science.286.5447.2144|volume=286|issue=5447|pages=2144-2147
Something with a coccoid shape.