Smith Woodward, Brit. Mus. Cat. Foss. Fishes, ii. 1891, p. 335.
W. K. Parker, Shoulder-girdle and Sternum of Vertebrata, Ray Soc. 1868; Gegenbaur, Untersuch. Vergl. Anat. Wirbelth. Pt. ii. Leipzig, 1865; Wiedersheim, Das Gliedmassenskelet d. Wirbelth. Jena, 1892.
Traquair, Nature, 62, 1900, p. 502.
Traquair, Trans. Roy. Soc. Edin. xxxix. 1899, p. 843.
It is more probable that in most existing Teleostomi the pelvic girdle has undergone complete suppression, in which case these cartilages are vestiges and not rudiments.