バシロサウルスMeanings1nounbasilosaurusRefers to an extinct genus of early whales from the Eocene epoch. Used in paleontological and educational contexts.バシロサウルスは約やく4000万まん年ねん前まえに生せい息そくしていた古こ代だいのクジラです。Basilosaurus is an ancient whale that lived about 40 million years ago.
