Ancestral chromosomal signatures of Paenungulata (Afroteria) reveal the karyotype of Amazonian manatee (Trichechus inunguis, Sirenia: Trichechidae) as the oldest among American manatees. - Tavares FDS; Oliveira da Silva W; Ferguson-Smith MA; Klautau AGCM; Oliveira JM; Rodrigues ALF; Melo-Santos G; Pieczarka JC; Nagamachi CY; Noronha RCR (BMC genomics, 2023)