New calcareous dinoflagellates (Calciodinelloideae) from the Middle Coniacian to Upper Santonian chalks of Lagerdorf (northern Germany)

被引：1
作者：
Hildebrand-Habel, T
Willems, H
机构：
[1] Univ Oslo, Dept Geosci, N-0316 Oslo, Norway
[2] Univ Bremen, Dept Geosci, D-28334 Bremen, Germany
来源：
JOURNAL OF MICROPALAEONTOLOGY | 2004年 / 23卷
关键词：
D O I：
10.1144/jm.23.2.181
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
Three new calcareous dinotlagellate species from the Middle Coniacian to Upper Santonian chalks of Lagerdorf (northern Germany) are formally described: Calcicarpinum macrogranulum n. sp., Pirumella fragilis n. sp. and Ruegenia quinqueangulata n. sp. The species show differing vertical distribution patterns which might result from local sea-level changes: P. fragilis and R. quinqueangulata are restricted to the possibly transgressive upper Mid-Coniacian to Lower Santonian interval and C macrogranulum occurs consistently only in the probably regressive lower Mid-Coniacian and Middle to Upper Santonian intervals. J. Micropalaeontol. 23(2): 181-190, November 2004.
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页码：181 / 190
页数：10
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