Graphic summary of the steps followed to obtain the measurements of the morphological traits, that is, the length and width of the body. Step one: upload the images to ImageJ. Step two: Configure the measurement tool through the relationship of the measurement scale and the length of pixels that it represents. Step three: take measurements of the lengths of interest.

  Part of: Velazco VN, Sandler RV, Sanabria MCV, Falco LB, Coviella CE, Saravia LA (2023) Size spectra of the edaphic fauna of typical Argiudol soils of the Rolling Pampa Region, Argentina. Biodiversity Data Journal 11: e113074.