1. Z. A. Antoshchenko, “New Data on the Morphogenesis of Some Representatives of the Genus Cincta (Brachiopoda),” Paleontol. Zh., No. 4, 41–52 (1969).
2. Z. A. Antoshchenko, “On the Phylogenetic Relationships of the Genera Aulacothyris and Keratothyris (Brachiopoda),” Paleontol. Zh., No. 1, 73–81 (1970).
3. D. Atkins, “The Grows Stages of the Lophophore and Loop of the Brachiopod Terebratalia transversa (Sow.),” J. Morphol. 105(3), 401–426 (1959).
4. L. I. Babanova, “New Data on the Jurassic Brachiopods,” Paleontol. Zh., No. 3, 63–70 (1964).
5. C. Beecher, “Some Correlation of Ontogeny and Phylogeny in the Brachiopoda,” Am. Nat. 27, 599–604 (1893).