与 «OPERCULA»相关的英语书籍
在以下的参考文献中发现
opercula的用法。与
opercula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
Evolutionary Stasis and Change in the Dominican Republic Neogene
800 ABCDE Turbo species Fig. 4.2 Relative abundances of shells and opercula
in the Neogene of the Dominican Republic for each Turbo species. A. = T.
dominicensis Gabb, B. = T. crenulatoides Maury, C.= T. species C, D = T. species
D., ...
Ross H. Nehm, Ann F. Budd, 2008
2
Geological Survey Professional Paper
been chosen as type. This has the advantage of making the bulk of the material,
the numerous opercula, readily identifiable by other workers, even though they
may doubt the validity of the associations. It is of course fundamental that an ...
3
Geological Survey Professional Paper
Opercula are not rare. They were collected at 11 localities, as many as 10 at a
locality. A large shell having the operculum in place (pi. 20, fig. 18) was collected
by T. F. Thompson. The only other in place is in a minute shell, which has a
height ...
Geological Survey (U.S.), 1957
Xo opercula were found in the apertures of these shells. Although African and
Oriental representatives of the apple shells of the family "Ampullariidae " have an
operculum with a thick internal calcareous layer, the resemblance of Scalez to
the ...
5
Paleozoic sequence stratigraphy, biostratigraphy, and ...
mens from the "Upper Visby Marl," at Lummelunda; Cn 15904 (four opercula) and
Cn 15905 (Fig. 1: G, with three opercula); and a single specimen with one
operculum (ENSM e- 147/1) from the de Verneuil Collection, Universite Claude ...
John A, Gilbert Klapper, Michael A, 1997
6
Evolution and Escalation: An Ecological History of Life
The geological history of opercula is difficult to reconstruct, because only
calcareous opercula are preserved as fossils, and because their association with
identifiable shells is often tentative or nonexistent. The first calcareous opercula,
...
7
U.S. Geological Survey professional paper
This collection yielded additional well-preserved light-gray silicified opercula of C
. unguis. Fragments of a second operculum, apparently a slightly curved form,
were also recovered ; these have a reddish-gray hue. The fragments may be C.
Geological Survey (U.S.), 1969
8
Predator-Prey Interactions in the Fossil Record
habits, and gradients of thickening within rigidly erect colonies correlate with the
distribution of stress induced by bending (Cheetham and Thomsen, 1981). 4.1.2.
Opercula The orifice through which the lophophore is protruded is arguably the ...
Patricia H. Kelley, Michal Kowalewski, Thor A. Hansen, 2003
9
Interactions and Adaptation Strategies of Marine Organisms
Protis, Protula and Apomatus, which are amongst the best-known of deep-sea
serpulids, are like early postlarval stages of Serpula and Hydroides in lacking
opercula, or in having thin-walled opercular vesicles on pinnulate stalks. They
thus ...
Andrew D. Naumov, Herman Hummel, Alexey A. Sukhotin, 1997
10
Information Processing in Medical Imaging: 21st ...
We compared these findings to qualitative studies of immature opercula in
neonates [6,7] that provide drawings of immature opercular cortical surfaces. The
analysis in this paper shows that, relative to normal opercula, abnormal opercula
in ...
Jerry L. Prince, Jr., Dzung L. Pham, Kyle J. Myers, 2009
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找出国内和国际出版社所讨论的内容，以及词语
opercula在以下新条目的上下文中是如何使用的。
Diverse exhibition of American Indian art will open at Amon Carter …
... Carter Museum of American Art. Maskette, 1780-1830 (below), is a Tsimshian work made of wood, copper, opercula shell and pigment. «Dallas Morning News, 七月 15»
Scrabble players set new world record
... command of the English language by playing words such as 'basilect', defined as 'the least prestigious language of an area' and 'opercula', ... «Toy News, 四月 15»
Mark Murphy: Without healthy oceans, our planet dies; we do, too
... plucking them up to marvel at their probing, insistent feet and to watch as they closed themselves up tight with their gleaming opercula. «Savannah Morning News, 一月 15»
Evolutionary constraints revealed in diversity of fish skulls
... short skulls, strong jaws, a well-developed hyoid bone on the floor of the mouth cavity, and large opercula (the bony flaps covering the gills). «UC Santa Cruz, 十一月 14»
I'm proud to be a member of the 'dull men' club
He it was who gave to them the biological term “opercula”, the Latin for a cover. It was not until his old age that he published the collection ... «Telegraph.co.uk, 十月 14»
Fibromyalgia: Patients Hypersensitive to Nonpain Sensations
Patients also showed increased processing in right insula extending to the opercula and the anterior part of the lingual gyrus contiguous with ... «Medscape, 九月 14»
Invaders on the move: Mystery Snails and White Perch
All are large, relative to native snails, and have concentrically marked opercula. The operculum is a ringed “trapdoor” that enables the snail to ... «Michigan State University Extension, 八月 14»
Wyoming outdoors: Midges provide first dry-fly fishing of the year
I managed to slide my hand under a sleek 10-inch brown trout with light gold opercula and dull red spots. Ah, my first fish on a fly this year! «Billings Gazette, 四月 13»
"Uncommon features" in Einstein's brain revealed
Interestingly, the study notes that contrary to other reports, Einstein's brain was not spherical and did not lack parietal opercula. Falk's study ... «Science a Gogo, 十一月 12»
Best Treatment Practices of Warmwater Fish Pathogens Using Feed …
... eyes —with corneal opacity (Figure 5), darkening of the skin, necrosis of gills and hemorrhage of the skin, opercula, vent and muscles. «TheFishSite.com, 九月 12»
