Institut Royal des Sciences Naturelles de Belgique, D.O. Terre et
Histoire de la Vie, rue Vautier 29, 1000 Brussels, Belgium
Christian de Muizon
Département Origines et Évolution, Muséum National d'Histoire
Naturelle, Centre de Recherches sur la paléobiodiversité et les
paléoenvironnements – CR2P (CNRS, MNHN, UPMC, Sorbonne Université), rue Buffon 8, 75005 Paris, France
Mario Urbina
Departamento de Paleontologia de Vertebrados, Museo de Historia
Natural de la Universidad Nacional Mayor de San Marcos, avenida Arenales
1256, Lima 14, Peru
Giovanni Bianucci
Dipartimento di Scienze della Terra, Università di Pisa, via
Santa Maria 53, 56126 Pisa, Italy
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Extant pygmy and dwarf sperm whales (Kogia spp.) are known as small-sized and enigmatic relatives of the great sperm whale Physeter. Here we describe Koristocetus pescei, a new fossil kogiid from the late Miocene (ca 7 million years ago) of Peru. The description of this new form evokes a long history of morphological and ecological diversity in fossil kogiids, thus suggesting that our comprehension of the evolutionary history of diminutive sperm whales is still far from being exhaustive.
Extant pygmy and dwarf sperm whales (Kogia spp.) are known as small-sized and enigmatic...