Phylogénie des Oiseaux selon : Charles G. Sibley et John E. Ahlquist, Phylogeny and Classification of Birds, 1990, Yale University Press
Single string DNA in virus : Hershey, A. D., & Chase, M., Independent Functions of Viral Protein and Nucleic Acid in Growth of Bacteriophage, 1952, Journal of General Physiology, DOI:10.1007/978-3-662-47150-0_3
Double string DNA in virus : Watson, J. D., & Crick, F. H. C., Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid, 1953, Nature, DOI: 10.1001/jama.1993.03500150078030
RNA in virus : Fraenkel-Conrat, H., & Williams, R. C., Reconstitution of Active Tobacco Mosaic Virus from Its Inactive Protein and Nucleic Acid Components, 1955, Proceedings of the National Academy of Sciences of the United States of America, DOI: 10.1073/pnas.41.10.690
Araneae (classification) : Siddharth Kulkarni, Hannah Wood et Gustavo Hormiga, Advances in the reconstruction of the Spider Tree of Life: a roadmap for spider systematics and comparative studies, 2022, DOI: 10.32942/X28C7J
Bucerotidae (apparition) : Ségolène Riamon, Martin Pickford, Brigitte Senut and Antoine Louchart, Bucerotidae from the early Miocene of Napak, Uganda (East Africa): the earliest hornbill with a modern-type beak, 2021, Ibis 163 (2), pp.714-720. DOI: 10.1111/ibi.12907
Lagomorphes (apparition) : Alexey V. Lopatin, Alexander Averianov, The earliest lagomorph (Lagomorpha, Mammalia) from the basal Eocene of Mongolia, 2008, Doklady Biological Sciences 419(1):131-2, DOI: 10.1134/S001249660802018X
Proboscidiens (apparition) : Emmanuel Gheerbrant, Baadi Bouya, M'barek Amaghzaz, Dental and cranial anatomy of Eritherium azzouzorum from the Paleocene of Morocco, earliest known proboscidean mammal, 2012, Palaeontographica Abteilung A 297(5):151-183, DOI: 10.1080/02724634.2010.483554
Siréniens (apparition) : Humberto Astibia, Nathalie Bardet, Xabier Pereda Suberbiola, Aitor Payros, Vivian de Buffrénil, Javier Elorza, Josep Tosquella, A. Berreteaga, Ainara Badiola, New fossils of Sirenia from the Middle Eocene of Navarre (Western Pyrenees): The oldest West European sea cow record, 2010, Geological Magazine 147(05), DOI: 10.1017/S0016756810000130
Suines (apparition) : Maeva Orliac, Pierre-Olivier Antoine, Dr. Ghazala Roohi, Jean-Loup Welcomme, Suoidea (Mammalia, Cetartiodactyla) from the Early Oligocene of the Bugti Hills, Balochistan, Pakistan, 2010, Journal of Verterbrate Paleontology, 30(4), DOI: 10.1080/02724634.2010.483554
Tinamiformes (apparition) : Robert M. Chandler, A New Species of Tinamou (Aves: Tinamiformes, Tinamidae) from the Early-Middle Miocene of Argentina, 2012, Palarch’s Journal of Vertebrate Palaeontology 9(2), 1-8. ISSN 1567-2158
Xénarthres (apparition) : Daniel Barasoain, Laureano Gonzalez-Ruiz, Alfredo Eduardo Zurita, Carlos Villarroel, Oldest new Dasypodini (Xenarthra, Cingulata) provides new trails about armadillos evolutionary history, 2012, Historical Biology, DOI: 10.1080/08912963.2021.1917566