Supayacetus
Sign in to saveSupayacetus is an extinct genus of basilosaurid cetacean from the Middle Eocene (Bartonian stage) Paracas Formation of Peru. It has been noted for its relatively small size and basal morphology, with the sternum bearing close resemblance to those of protocetids. Due to this, it has been traditionally placed as one of the basalmost basilosaurids, except for a 2023 study that places it within the family Pachycetinae close to Neoceti. Supayacetus is monotypic, meaning the genus includes only a single species: S. muizoni.
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Supayacetus is an extinct genus of basilosaurid cetacean from the Middle Eocene (Bartonian stage) Paracas Formation of Peru. It has been noted for its relatively small size and basal morphology, with the sternum bearing close resemblance to those of protocetids. Due to this, it has been traditionally placed as one of the basalmost basilosaurids, except for a 2023 study that places it within the family Pachycetinae close to Neoceti. Supayacetus is monotypic, meaning the genus includes only a single species: S. muizoni.
== Discovery and naming == Supayacetus is known from the holotype specimen MUSM 1465, a partial skeleton consisting of assorted remains including a badly weathered skull, various vertebrae and ribs, teeth as well as parts of the forelimbs and the sternum. As Ocucajea, it was collected in the Archaeocete Valley site, located within the middle Eocene () Paracas Formation of the Pisco Basin, Peru.