List of Papers referred to
- Beecher , C. E. 1892 . Development of the brachiopoda, Part ii. Classification of the Stages of Growth and Decline . Amer. Journ. Sci. ser. 3 , xliv : 133 – 155 . pl. i.
- Beecher , C. E. 1897 . Morphology of the brachia . Chapter 4 in Schuchert, C. , 1897
- Beecher , C. E. and Schuchert , C. 1893 . Development of the Brachial Supports in Dielasma and Zygospira . Proc. Biol. Soc. Wash. , viii : 71 – 78 . pl. x.
- Bemmelen , J. F. van. 1882 . Untersuchungen über den anatomischen und histologichen Bau der Brachiopoda Testicardinia . Jenaische Zeitschr. f. Naturw. , xvi : 88 – 161 . pls. v.–ix.
- Buckman , S. S. 1917 . The Brachiopoda of the Namyau Beds, Northern Shan States, Burma . Palæont. Indica, n. s. , iii ( 2 ) : 299 – 299 . Mem.21 pls.
- Buckman , S. S. 1919 . Terminology for Beak and Formainal Development in Brachiopoda . Trans. N.Z. Inst. , li : 450 – 454 .
- Schuchert , C. 1897 . A Synopsis of American Fossil Brachiopoda, including Bibliography and Synonymy . Bull. U.S. Geol. Surv. , : 464 – 464 . 6 figs., I pl.
- Schuchert , C. 1913 . Brachiopoda . Eastman, C. R. Text-book of Palæontology , i : 355 – 420 . ed. 2