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Topic: Hystricidae


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  Porcupine - Wikipedia, the free encyclopedia
Porcupines in search of salt sometimes encroach on areas inhabited by people and eat tool handles, clothes and other items that have been coated in salty sweat.
A porcupine is any of 23 species of rodent belonging to the families Erethizontidae and Hystricidae.
All defend themselves with sharp spines (which are actually modified hairs) rather like those of the hedgehogs, which are part of the order Insectivora and more closely related to shrews and moles than they are to the rodents, and the echidnas, which as monotremes are very distantly related indeed.
en.wikipedia.org /wiki/Porcupine   (647 words)

  
 iqexpand.com   (Site not responding. Last check: 2007-10-21)
The family Hystricidae includes 11 species of porcupines found in Africa and Asia.
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hystricidae.iqexpand.com   (523 words)

  
 World Almanac for Kids
The quills, which have needle-sharp ends containing hundreds of barbs, are only loosely attached and can be erected by the muscles of the skin.
The Hystricidae, comprising the Old World porcupines, range through the forests of southern Europe and Asia, Africa, and Indonesia.
The family is typified by the common porcupine, Hystrix cristata, which is thick-bodied, grizzled, and fl in color; it grows to a length of 60 cm (24 in), with some of its quills exceeding 30 cm (12 in) in length.
www.worldalmanacforkids.com /explore/animals/porcupine.html   (193 words)

  
 Porcupine | Animal Facts | Chaffee Zoological Gardens of Fresno   (Site not responding. Last check: 2007-10-21)
Hystricidae (Hystrix [L, Gr] = porcupine) is comprised of 4 genera and 11 species, including Bornean long-tailed porcupines, Indonesian porcupines, brush-tailed porcupines and crested porcupines.
Coloration: The posterior 2/3 of the upper parts and flanks of the body are covered with fl and white modified hairs which form sharp cylindrical quills up to 20 inches in length.
Population density varies from 1 to 29 individuals per sq km (75 per square mile) with approximately 40% of populations made up of individuals less than one year old.
www.chaffeezoo.org /animals/porcupine.html   (282 words)

  
 InfoHub Forums - View Single Post - Paleontology of Porcupines
These excerpts are pertinent to the paleontology of the Hystricidae:
It presents many ancestral characters, but their predecessors are unknown and the earliest fossils are recorded only since the early Miocene of Europe (Mackenna and Bell, 1997).
"Hystricidae fossils are only known since the Miocene, when they appear simaltaneously in Asia, Europe, and Africa (Mackenna and Bell, 1997) vWF sequences indicated that the origin of the group is much older than the Miocene and is possibly of the Eocene age."
www.infohub.com /forums/showpost.php?p=7165&postcount=1   (399 words)

  
 Old World porcupines (family Hystricidae) (from porcupine) --  Encyclopædia Britannica   (Site not responding. Last check: 2007-10-21)
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More from Britannica on "Old World porcupines (family Hystricidae) (from porcupine)"...
Brief information on this rodent belonging to the family of Hystricidae.
www.britannica.com /eb/article-226110?tocId=226110   (685 words)

  
 Babel | Paleontology of Porcupines
Our results indicate a basal trifurcation of hystricognaths leading to Hystricidae, Phiomorpha s.s.
"Hystricidae fossils are known only since the Miocene, when they appear simaltaneously in Asia, Europe, and Africa (Mckenna and Bell, 1997).vWF sequences indicated that the origin of the group is much older than the Miocene and is possibly of the Eocene age."
Their old world cousins, the Hystricidae, have 3 genera and 11 species.
towerofbabel.com /map/articles/05/03/11/0334251.shtml?tid=269   (702 words)

  
 porcupine --  Britannica Concise Encyclopedia - Your gateway to all Britannica has to offer!
The quills, or spines, take various forms depending on the species, but all are modified hairs embedded in skin musculature.
Old World porcupines (Hystricidae) have quills embedded in clusters, whereas in New World porcupines (Erethizontidae) single quills are interspersed with bristles, underfur, and hair.
No porcupine can throw its quills, but they detach easily and will remain embedded in an attacker.
concise.britannica.com /ebc/article-9060875   (764 words)

  
 R-Zu-2-U - African Crested Porcupines
These 5 week-old babies love their ba-ba but also ALREADY eat solid foods.
There are two families or porcupines, Hystricidae (Old World Porcupines) and Erethizontidae (New World Porcupines).
There are many similarities between the two families, but for this text, we will consider only the African Crested Porcupine.
www.treasureranch.com /treasure/rzuinfofiles/acporcupines.html   (1117 words)

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