Zool. [f. L. carīna keel.] A genus of Heteropodous Mollusks, having the heart and liver protected by a small and delicate shell of glassy translucency, known to collectors as Glass Nautilus and Venus’s Slipper.
1847. Carpenter, Zool., § 901.
1873. Dawson, Earth & Man, iv. 76. Those singular molluscous swimmers by fin or float known to zoologists as … Carinarias.
