Meng J. et Wyss A. R. Multituberculate and other mammal hair recovered from Palaeogene excreta // Nature, 1997, V.385, pp.712–714. Шерсть многобугорчатых.

Meng J., Wyss A. R., Hu Ya., Wang Yu., Bowen G. J. et Koch P. L. Glires (Mammalia) from the late Paleocene Bayan Ulan locality of Inner Mongolia // American Museum Novitates, 2005, № 3473, pp.1–25.

Meredith R. W., Janecka J. E., Gatesy J., Ryder O. A., Fisher C. A., Teeling E. C., Goodbla A., Eizirik E., Simão T. L.L., Stadler T., Rabosky D. L., Honeycutt R. L., Flynn J. J., Ingram C. M., Steiner C., Williams T. L., Robinson T. J., Burk-Herrick A., Westerman M., Ayoub N. A., Springer M. S. et Murphy W. J. Impacts of the Cretaceous terrestrial revolution and KPg extinction on mammal diversification // Science, 2011, V.334, pp.521–524.

Mourer-Chauviré C. A large owl from the Palaeocene of France // Palaeontology, 1994, V.37, Part 2, pp.339–348. Древнейшая сова Berruornis orbisantiqui.

Muizon de Ch. et Marshall L. G. Alcidedorbignya inopinata (Mammalia: Pantodonta) from the Early Paleocene of Bolivia: phylogenetic and paleobiogeographic implications // Journal of Paleontology, 1992, V.66, № 3, pp.499–520.

Muizon de Ch. et Cifelli R. L. The “condylarths” (archaic Ungulata, Mammalia) from the early Palaeocene of Tiupampa (Bolivia): implications on the origin of the South American ungulates // Geodiversitas, 2000, V.22, № 1, pp.47–150.

Muizon de Ch., Billet G. et Ladevèze S. New remains of kollpaniine “condylarths” (Panameriungulata) from the early Palaeocene of Bolivia shed light on hypocone origins and molar proportions among ungulate-like placentals // Geodiversitas, 2019, V.41, № 1, pp.841–874.

Murphy W. J., Eizirik E., Johnson W. E., Zhang Y. P., Ryderk O. A. et O’Brien S. J. Molecular phylogenetics and the origins of placental mammals // Nature, 2001, V.409, pp.614–618.

O’Leary M.A., Lucas S. G. et Williamson Th.E. A new specimen of Ankalagon (Mammalia, Mesonychia) and evidence of sexual dimorphism in mesonychians // Journal of Vertebrate Paleontology, 2000, V.20, № 2, pp.387–393.

Orr C. M., Delezene L. K., Scott J. E., Tocheri M. W. et Schwartz G. T. The comparative method and the inference of venom delivery systems in fossil mammals // Journal of Vertebrate Paleontology, 2007, V.27, № 2, pp.541–546. Ядовитость у млекопитающих.

Pascual R., Archer M., Jaureguizar E. O., Prado J. L., Godthelp H. et Hand S. J. First discovery of monotremes in South America // Nature, 1992, V.356, № 6371, pp.704–706. Южноамериканское однопроходное Monotrematum sudamericanum.