A sponge of the most complex structure, composed of a mass of flagellated chambers and water canals.
- ‘Ascon, sycon, and leucon are levels of complexity that grade one into the other.’
- ‘Leucon are split into three groups when compared with pairwise p-distances.’
- ‘Leucon are extremely localised outside the study region whereas Oenanthe flu has declined throughout lowland England due to water pollution.’
We take a look at several popular, though confusing, punctuation marks.