[Mollusca]. Birshtein, Ya. I.[Ed]. [Atlas of Invertebrates of the Caspian Sea], [Atlas of Invertebrates of the Caspian Sea]. Vsesoyuznyi Nauchno-issledovatel'skii Institut Morskogo Rybnogo Khozyaistva i Okeanografii (UNIRO). Moskva, 1968. [In Russian], 1969: 308-385. Chapter pagination: 308-385. [Zoological Record Volume 106]