Gibbes, R.W. (1849)
Monograph of the fossil Squalidae of the United States. Art. 14. Journal of the Academy of Natural Sciences of Philadelphia, 1(ser. 2), 191–206
Gibbes, R.W. (1849)
New species of Myliobates from the Eocene of South Carolina, with other genera not heretofore observed in the United States. Journal of the Academy of Natural Sciences of Philadelphia, 1(ser. 2), 299–300
Gibbes, R.W. (1848)
Monograph of the fossil Squalidae of the United States. Art. 12. Journal of the Academy of Natural Sciences of Philadelphia, 1(ser. 2), 139–147
Gibbes, R.W. (1847)
Description of new species of Squalidae from the Tertiary beds of South Carolina. Proceedings of the Academy of Natural Sciences of Philadelphia, 3, 266–268
Gibbes, R.W. (1847)
On the fossil genus Basilosaurus, Harlan, (Zeuglodon, Owen) with a notice of specimens from the Eocene green sand of South Carolina. Journal of the Academy of Natural Sciences of Philadelphia, 1(ser. 2), 5–15
Gibbes, R.W. (1846)
On the fossil Squalidae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia, 3, 41–43