Assertion: sponge's type | /r/HasProperty | characterized by an arrangement of choanocytes
Facets:
value: around a central cavity
type: LOCATION
Source sentences:
text: The simplest, or ascon, type, found only in certain primitive genera of the Calcarea (e.g., Leucosolenia), is characterized by an arrangement of choanocytes around a central cavity that directly communicates with the osculum.