Argo Navis
Of the 48 , the ones not included are Corona Australis, Equuleus, Libra, Lupus, and Serpens. In modern times, Argo Navis (the ship "Argo") has been divided into three constellations: Carina (the keel), Puppis (the stern), and Vela (the sails); and the Pleiades are recognized as a star cluster within the constellation Taurus.