Protoceras ('first horns') is an extinct genus of Artiodactyla, of the family Protoceratidae, endemic to North America. It lived from the Oligocene to the Early Miocene 33.3—16.0 Ma, existing for approximately 17 million years.
Protoceras ("primeros cuernos") es un género extinto de artiodáctilos, de la familia de los protocerátidos. (es)
Protoceras ('first horns') is an extinct genus of Artiodactyla, of the family Protoceratidae, endemic to North America. It lived from the Oligocene to the Early Miocene 33.3—16.0 Ma, existing for approximately 17 million years. (en)
Il protocerato (gen. Protoceras) è un piccolo artiodattilo fossile, vissuto nell'Oligocene in Nordamerica. (it)
Protoceras is een uitgestorven hoefdier uit de familie Protoceratidae. Het geslacht omvat meerdere soorten die in het Oligoceen en Mioceen in Noord-Amerika leefden. (nl)
Protoceras é um género botânico pertencente à família das orquídeas (Orchidaceae). (pt)