Khowaja-Ateequzzaman and Garg, 2004a
From dinoflaj3
Khowaja-Ateequzzaman and Garg, R., 2004a: Callaiosphaeridium scabratum sp. nov. -- a new dinoflagellate cyst species from Early Turonian of the Cauvery Basin, India. Palaeobotanist, v.53, p.97-103.