A NEW COCKATOO (PSITTACIFORMES, CACATUIDAE) FROM THE TERTIARY OF RIVERSLEIGH, NORTHWESTERN QUEENSLAND, AND AN EVALUATION OF ROSTRAL CHARACTERS IN THE SYSTEMATICS OF PARROTS

被引:28
作者
BOLES, WE
机构
[1] Division of Vertebrate Zoology (Birds), Australian Museum, Sydney, New South Wales, 2000
关键词
D O I
10.1111/j.1474-919X.1993.tb02804.x
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The first Tertiary cockatoo or any psittaciform from Australia is recorded from an incomplete rostrum from the Riversleigh deposits of northwestern Queensland, Australia. It is placed in the extant genus Cacatua but cannot be diagnosed at the specific level. This cockatoo was probably similar in size to the modern C. roseicapilla, with a short, unspecialized crest and probably white plumage. The rostrum is useful in studies of the systematics of parrots. Rostral characters support some traditional subdivisions of the order, while suggesting that others warrant re-examination.
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页码:8 / 18
页数:11
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