THELODONT SCALES FROM THE MIDDLE LATE DEVONIAN AZTEC SILTSTONE, SOUTHERN VICTORIA-LAND, ANTARCTICA

被引：19
作者：
TURNER, S
YOUNG, GC
机构：
[1] Queensland Museum, Canberra City, Queensland 4101, P.O. Box 300, S. Brisbane
[2] Bureau of Mineral Resources, ACT 2601
来源：
ANTARCTIC SCIENCE | 1992年 / 4卷 / 01期
关键词：
AGNATHA; THELODONTI; DEVONIAN; TURINIA-ANTARCTICA; VICTORIA-LAND;
D O I：
10.1017/S0954102092000142
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A new fossil agnathan, Turinia antarctica sp. nov., based on numerous isolated scales, comes from the lower fish-bearing beds of the Aztec Siltstone. Scales from moraine at Mount Suess, originally described as selachian or psammosteid heterostracan, are referred to the new species which shows close affinity with T. gondwana from Bolivia and T. cf. hutkensis from Iran. Reassessment of the biostratigraphy of Middle Devonian turiniid scales suggests that the lower part of the Aztec Siltstone may be of Eifelian age.
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页码：89 / 105
页数：17
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