Whitfield, R. P. (1891). Observations on some Cretaceous fossils from the Beyrût District of Syria, in the collection of the American Museum of Natural History, with descriptions of some new species. Bulletin of the American Museum of Natural History. 3: 381-457.
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Whitfield, R. P.
1891
Observations on some Cretaceous fossils from the Beyrût District of Syria, in the collection of the American Museum of Natural History, with descriptions of some new species
Bulletin of the American Museum of Natural History