Encyclopædia Britannica. "Neogene". Encyclopædia Britannica. 2015-05-02 tarixində arxivləşdirilib.
doi.org
Britt, Brooks B.; Dalla Vecchia, Fabio M.; Chure, Daniel J.; Engelmann, George F.; Whiting, Michael F.; Scheetz, Rodney D. "Caelestiventus hanseni gen. et sp. nov. extends the desert-dwelling pterosaur record back 65 million years". Nature Ecology & Evolution (ingilis). 2 (9). 2018-08-13: 1386–1392. doi:10.1038/s41559-018-0627-y. ISSN2397-334X. PMID30104753.
Britt, Brooks B.; Dalla Vecchia, Fabio M.; Chure, Daniel J.; Engelmann, George F.; Whiting, Michael F.; Scheetz, Rodney D. "Caelestiventus hanseni gen. et sp. nov. extends the desert-dwelling pterosaur record back 65 million years". Nature Ecology & Evolution (ingilis). 2 (9). 2018-08-13: 1386–1392. doi:10.1038/s41559-018-0627-y. ISSN2397-334X. PMID30104753.
Britt, Brooks B.; Dalla Vecchia, Fabio M.; Chure, Daniel J.; Engelmann, George F.; Whiting, Michael F.; Scheetz, Rodney D. "Caelestiventus hanseni gen. et sp. nov. extends the desert-dwelling pterosaur record back 65 million years". Nature Ecology & Evolution (ingilis). 2 (9). 2018-08-13: 1386–1392. doi:10.1038/s41559-018-0627-y. ISSN2397-334X. PMID30104753.