«PLACODERM» தொடர்புடைய ஆங்கிலம் புத்தகங்கள்
பின்வரும் புத்தக விவரத்தொகுப்புத் தேர்ந்தெடுப்பில்
placoderm இன் பயன்பாட்டைக் கண்டறியுங்கள்.
placoderm தொடர்பான புத்தகங்கள் மற்றும் ஆங்கிலம் இலக்கியத்தில் அதன் பயன்பாட்டுச் சூழலை வழங்குவதற்கு அதிலிருந்து பெறப்பட்ட சுருக்கமான சாரங்களைத் தொடர்புபடுத்துகின்றன.
1
Functional Morphology in Vertebrate Paleontology
Dorsal view of skull table of placoderm. (a) morphology and jaw function in the
transitions among what were then called "chondrosteans," "holosteans," and "
teleosts." They demonstrated changes in the suspensorium and palate that
produce a ...
This presumably more advanced feature, is a characteristic of the more highly
evolved placoderm desmids. In both genera, the chloroplasts are axile and star-
shaped in cross-section, but the indentations of the margins are much less ...
3
Gondwana Six: Stratigraphy, Sedimentology, and Paleontology
Young, G. C., Stratigraphic occurrence of some placoderm fishes in the Middle
and Late Devonian, Nevsl. Stratigr., 3, 243-261, 1974. Young, G. C.~, A new
Early Devonian petalichthyid fish from the Taemas/Wee Jasper region of New
South ...
4
The Skull, Volume 2: Patterns of Structural and Systematic ...
The palatoquadrate may ossify in one, two, or three units — the placoderm
autopala- tine, quadrate, and metapterygoid, respectively. The connection of the
palatoquadrate with the endocranium is variable. In ptyctodonts, the
palatoquadrate is ...
James Hanken, Brian K. Hall, 1993
5
Mountains of Madness: A Scientist's Odyssey in Antarctica
One of the specimens I collected that day was very strange: an elongated median
dorsal plate from a moderately large placoderm hav- ing very coarse, wart-like
ornamentation all over its external surface. I suspect that it is probably a new ...
John Long, Tim Bowden, 2001
6
Vertebrate Endocrinology
Hinged jaws developed in the placoderm fishes from modifications of the first gill
arch, and this same event can be observed early in embryonic development of all
jawed vertebrates. Many zoologists consider development of jaws to be the ...
David O. Norris, James A. Carr, 2013
7
Earth and Life: Global Biodiversity, Extinction Intervals ...
... the former including newly described agnathans (e.g. Newman and Trewin
2001; Newman 2002) and the latter with ontogenetic series of placoderm and
acanthodian species (Upeniece 2001). The only marine deposit of this type yet
found ...
8
Concepts of Biology XII
Giant and ferocious looking placoderm fish Dinichthys was about 10 meter long (
Fig. 3). Placoderm fishes slowly disappeared. These fishes gradually evolved
into lung fishes. Three species of lung fishes occur these days. Some other kinds
of ...
Prof. Kotpal, Dr. Tyagi, Dr. Bendre, & Dr. Pande
Parexus (acanthodian) (c) (d) Skull Mouth Cheirolepis (ray-finned) Bothriolepis (b
) (placoderm) Hemicyclaspis (ostracoderm) (a) Figure 13.6 Devonian Seafloor
Recreation of a Devonian seafloor showing (a) an ostracoderm, (b) a placoderm,
...
Reed Wicander, James Monroe, 2012
10
Frozen in Time: Prehistoric Life in Antarctica
Head shield of groenlandaspid placoderm from the mid-Devonian Aztec Siltstone
, Mt Crean, East Antarctica. photo: John long. Another common placoderm from
the Aztec Siltstone is the arthrodire Groenlandaspis, known from one named ...
Jeffrey Stilwell, John Long, 2011
«PLACODERM» வார்த்தையைக் கொண்டுள்ள புதிய உருப்படிகள்
பின்வரும் செய்தி உருப்படிகளின் சூழலில்
placoderm என்ற வார்த்தையைப் பயன்படுத்துவது பற்றியும் எப்படிப் பயன்படுத்துவது என்பதைப் பற்றியும் தேசிய மற்றும் பன்னாட்டு அச்சகங்கள் என்ன பேசியிருக்கின்றன என்பதைக் கண்டறியுங்கள்.
Four hundred million year old fish fossil has earliest example of teeth
Acanthothoracid placoderm and surface renderings (gold) of Romundina stellina and Compagopiscis croucheri. Upper dental plates (anterior ... «Phys.Org, ஜூன் 15»
First-known teeth belonged to fierce fish
Romundina is a placoderm, meaning an extinct class of armoured fish. Older remains of this fish and related species have been found, but ... «ABC Science Online, ஜூன் 15»
No bones about it: sharks evolved cartilage for a reason
Gogo has a diverse fauna of many kinds of ancient armoured placoderm fishes as well as early bony fishes (osteichthyans), but no sharks. «The Conversation AU, மே 15»
Palaeontology: Tracing the backbone in China's rocks
Entelognathus from Xiaoxiang, for example, is a placoderm, or armoured fish, with the jawed face of an osteichthyan, or bony fish — a finding ... «Nature.com, மே 15»
Hong Kong's First Dinosaur-Era Fish Identified
Hong Kong's last major vertebrate fossil identification was the discovery of a ~370 million-year-old early fish (Devonian-aged placoderm fish) ... «Asian Scientist Magazine, ஏப்ரல் 15»
Hong Kong''s first identified dinosaur-era vertebrate
Hong Kong's last major vertebrate fossil identification was the discovery of a ~370 million-year-old early fish (Devonian-aged placoderm fish) ... «Phys.Org, ஏப்ரல் 15»
Dinosaur-era fish find proves quite a catch
A 370-million-year-old early Devonian-aged placoderm fish was the last major vertebrate fossil to be identified in Hong Kong. That was 35 ... «Hong Kong Standard, மார்ச் 15»
Birth of jaws: Tiny fish may be ancient ancestor
Placoderm image courtesy of K. Trinajstic). The remains of a 415-million-year-old fish skull from Siberia though miniscule in size offer hints ... «Fox News, ஜனவரி 15»
The 300th article at Tet Zoo ver 3 is very weird
If you're wondering, the section on jawless fishes is finished, the placoderm section is essentially finished (updates are needed in view of the ... «Scientific American, டிசம்பர் 14»
Feschuk: The latest breaking news! (From eons ago)
First, they were part of a placoderm group known as Microbrachius dicki. (Dicki? Are any of these scientists not 11 years old?) Second, these ... «Macleans.ca, அக்டோபர் 14»
இல் உள்ள வார்த்தைகளில் மறைக்கப்பட்டிருக்கும் எல்லாவற்றையும் கண்டறியுங்கள் 
