Definition of "microcrustaceans"

The most abundant groups of invertebrates involved in decomposition in flooded rice fields are oligochaetes, like Enchytraeidae or Tubificidae, chironomid larvae, nematodes and microcrustaceans.

2015 July 31, “Effects of Residue Management on Decomposition in Irrigated Rice Fields Are Not Related to Changes in the Decomposer Community”, in PLOS ONE‎