Previously in literature as nomen nudum (no formal diagnosis). Ichnogenus: pellet-containing tubes, originally suggested to be fossil corals or burrows; possibly the excretory products of crustaceans, refer García-Ramos et al., 2014.
García-Ramos, J. C.; Mángano, M. G.; Piñuela, L.; Buatois, L. A.; Rodríguez-Tovar, F. J. (2014). The ichnogenus Tubotomaculum: an enigmatic pellet-filled structure from Upper Cretaceous to Miocene deep-marine deposits of southern Spain. <em>Journal of Paleontology.</em> 88(6): 1189-1198.