References
- von Ihering , H. 1903 . Les Brachiopodes Tertiaires de Patagonie . Ann. Mus. Nac. Buenos Aires , ix : 332 – 332 .
- Allan Thomson , J. 1914 . Brachiopod Genera: the Position of Shells with Magaselliform Loops, and of Shells with Bouchardiform Beakcharacters . Trans. New Zealand Inst. , xlvii
- Sahni , M. R. 1925 . Morphology and Zonal Distribution of some Chalk Terebratulids . Ann. & Mag. Nat. Hist. , xv ( 9 ) March : 353 – 385 .
- Jackson , J. W. 1918 . On the new Brachiopod Genus Liothyrella of Thomson . Geol. Mag. n. s. Decade 6 , v : 18 – 18 .
- Davidson . Mon. Brit. Brach. , i pl. viii, figs. 2, 2a
- Thomson , J. Allan . 1915 . The Genera of Recent and Tertiary Rhynchonellids . Geol. Mag. Decade 6 , ii : 391 – 391 .
- Op. cit. , 394 – 394 . and figs. a-f, p. 395.