As a noun epifauna
is a fauna characterized by members whose typical life sites are on the outer surface of their environment, as opposed to within it, e.g. animals living on top of the sediment at the seafloor.
As an adjective infaunal is
belonging to the infauna.
epifauna
English
Noun
(en-noun)
A fauna characterized by members whose typical life sites are on the outer surface of their environment, as opposed to within it, e.g. animals living on top of the sediment at the seafloor.
Derived terms
* epifaunal
infaunal
English
Adjective
(-)
Belonging to the infauna.