Agglutinated foraminifera are benthic microfossils found in rocks of Cambrian through Holocene age and in most marine and brackish environments, particularly in clastic facies. They construct their tests by gluing sedimentary grains together, in contrast to the other types of foraminifera, which secrete their tests. The sedimentary particles used by these forms may include silt or sand grains, glauconite, sponge spicules, or even other foraminiferal tests. Some species are highly selective in the material used and in its arrangement. | Agglutinated foraminifera are benthic microfossils found in rocks of Cambrian through Holocene age and in most marine and brackish environments, particularly in clastic facies. They construct their tests by gluing sedimentary grains together, in contrast to the other types of foraminifera, which secrete their tests. The sedimentary particles used by these forms may include silt or sand grains, glauconite, sponge spicules, or even other foraminiferal tests. Some species are highly selective in the material used and in its arrangement. |