与 «BELEMNOID»相关的英语书籍
在以下的参考文献中发现
belemnoid的用法。与
belemnoid相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Cephalopods Present and Past: New Insights and Fresh ...
Comparisons and correlations with previous studies on belemnoid ultrastructure
were possible and could give additional information about the poorly understood
belemnoid morphology. It is the purpose of the present study to reinvestigate the
...
Neil H. Landman, Richard Arnold Davis, Royal H. Mapes, 2007
2
The Fossil Book: A Record of Prehistoric Life
When the latter pointed forward, its owner swam backward; when the funnel was
turned to the rear, the belemnoid darted ahead. Alarm caused the creature to
release a thick dark liquid from an ink sac that opened into the cavity and through
...
Pat Vickers Rich, Thomas H. V. Rich, 1989
3
Recognition of Invertebrate Fossil Fragments in Rocks and ...
Nautiloid and Belemnoid Cephalopods 1. Transverse section through the
anterior part of a nautiloid phrag- mocone. The figure shows the thin,
recrystallized outer wall (W) and thick, prismatic and laminated cameral deposits
(C). The skeleton ...
4
Palaeobiology of Angiosperm Origins: Problems of Mesozoic ...
Age/stage Surface temperatures 'Events' Oligocene Eocene Palaeocene (Falling)
High (inferred from flora) p ' Tropical ' flora 400 EocN MAESTRICHTIAN radmax \
Belemnoid ] Ammonoid CHALK SEA Dinosaur extinction EUROPE Pterosaur j ...
5
Neues Jahrbuch für Geologie und Paläontologie: Abhandlungen
The first parataxa of belemnoid arm hooks (i. e. taxa based on isolated hooks)
were described from the Swabian Jurassic (Quenstedt 1856-57). Since then no
systematic-morphological work about arm hooks has been done in this classical
...
6
The Complete Guide to Fossils & Fossil-collecting: An ...
Cylindroteuthis Name: Cylindroteuthis Meaning: Cylinder squid Grouping:
Mollusc, Cephalopod, Belemnoid lnformal lD: Belemnoid Fossil size: Length
10cm/4in Reconstructed size: Whole animal up to 80cm/32in Habitat: Seas,
usually deeper ...
7
University Bulletin: A Weekly Bulletin for the Staff of the ...
It will be based on the ratio of two forms of oxygen in the shells of an extinct sea
creature called the Belemnoid. Research has shown that these ratios vary
according to the warmth or coolness of the waters in which the shells were
formed.
University of California (System), 1959
8
United States Geological Survey Professional Paper
Fischer, A. G., 1947, A belemnoid from the late Permian of Greenland : Medd. om
Gr0nland, v. 133, no. 5, 22 p., 2 pis. Flower, R. H., 1957, Nautiloids of the
Paleozoic, in Ladd, H. S., ed., Treatise on marine ecology and paleoecology:
Geol. Soc.
9
Geological Survey Professional Paper
Fischer, A. G., 1947, A belemnoid from the late Permian of Greenland : Medd. om
Gr0nland, v. 133, no. 5, 22 p., 2 pis. Flower, R. H., 1957, Nautiloids of the
Paleozoic, in Ladd, H. S., ed., Treatise on marine ecology and paleoecology:
Geol Soc.
10
Geological Survey of Canada, Memoir 308
Atractites sp. indet. A. Some supposed belemnoid remains were revealed, after
sectioning, as indeterminable juvenile ammonoid shells. Lot 569 F.C. (8441),
from limestone bed at elevation 7,300 feet on ridge extending east from Texas
Peak.
