Haas, Otto Mesozoic invertebrate faunas of Peru - New York American Museum of Natural History 1953 - 328 p. fotos, ilus., tbls. - American Museum of Natural History. Bulletin v.101 . Subjects--Topical Terms: GASTROPODAINVERTEBRADOSPALEONTOLOGÍATRIASICO Subjects--Geographic Terms: PERU Universal Decimal Class. No.: 562(85:116)/H10