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Wedge-shell

wedge-shell

(Science: zoology) Any one of numerous species of small marine bivalves belonging to donax and allied genera in which the shell is wedge-shaped.


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For Your Eagle's Eye Only

... Harpia harpyja (Harpy Eagle) http://farm4.static.flickr.com/3094/3221669986_3638e082e8.jpg?v=0 Aquila audax (Wedge-tailed Eagle) http://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Bald.eagle.closeup.arp-sh.750pix.jpg/325px-Bald.eagle.closeup.arp-sh.750pix.jpg ...

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by mcar
Fri Mar 20, 2009 1:20 pm
 
Forum: Zoology Discussion
Topic: For Your Eagle's Eye Only
Replies: 5
Views: 11986

interesting cat

... has large, rounded, wide-set eyes that are a vivid green. The head is sometimes described as cobra-like which aptly describes the broad, medium wedge and flat profiles. The large, pointed ears are wide at the base and set rakishly toward the side of the head. The body of the Russian Blue is ...

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by Miyis
Sun Jan 28, 2007 6:54 am
 
Forum: Zoology Discussion
Topic: interesting cat
Replies: 11
Views: 15791

Re: evolution - in the details

... and fast-track evolution. This fish w/anti-freeze is actually simpler. Gould calls this the wheel of fortune which interacts which Darwin's 'wedge'. Species compete for space in an overcrowded environment by wedging out others. However during periods of mass-extinction due to changes in the ...

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by weesper
Wed Aug 23, 2006 7:07 am
 
Forum: Evolution
Topic: evolution - in the details
Replies: 19
Views: 12130

Tyrannosaurus sex et alia topics

... And like ornithomimosaurids, tyrannosaurids also have what is called an arctometatarsus. An arctometatarsus is where metatarsal III forms a wedge distally, but pinches out proximally. This feature is unique and found in some ornithomimosaurs, deinonychosaurs, alvareszaurids, and oviraptorosaurs. ...

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by Kiezel
Tue Aug 15, 2006 12:16 am
 
Forum: Zoology Discussion
Topic: Tyrannosaurus sex et alia topics
Replies: 6
Views: 9055


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