References
- ↑ Swan Cay Formation at Fossilworks.org
- ↑ Landau & Vermeij, 2012
- ↑ Schwarzhans & Aguilera, 2016
Bibliography
- Bernard Landau; Geerat J. Vermeij (2012). "The genera Engina and Ameranna nov. gen. (Mollusca: Gastropoda, Buccinoidea, Buccinidae, Pisaniinae) from the Western Atlantic Neogene". Cainozoic Research. 9 (1): 121–133.
- Schwarzhans, Werner; Aguilera, Órangel (2016), "Otoliths of the Ophidiiformes from the Neogene of tropical America", Palaeo Ichthyologica , 14: 91–124, retrieved 2019-02-09
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