Definition of macrofauna in English:

macrofauna

noun

Biology
  • Treated as plural: animals of the largest size category; especially benthic or soil animals which are at least several centimetres in length, such as vertebrates and large invertebrates; specifically those of a particular habitat, region, etc. Also (with singular concord): a group, class, community, or list of such animals.

Origin

Early 20th century. From macro- + fauna. Compare earlier microfauna.

Pronunciation

macrofauna

/ˌmakrəʊˈfɔːnə/