Definition: organic particles in soil or water, usually defined by size class, (eg: up to 2mm in soil, or 1mm at sea) which may include detritus, as well as living particles such as microbes or pollen
Definition: Living in a fluid medium (eg: water) but unable to maintain their position or distribution independently of the movement of the fluid (adapted from Lincoln et al., 1998).
Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)
Definition: The number of fossil occurrences in the Paleobiology Database (https://paleobiodb.org) that are identified as belonging to a particular taxon or any of its subtaxa.
Definition: Marine sediment that accumulates within shallow regions of the oceanic basin close to continents, such as the continental shelf, or continental slope
Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
