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Topic: Macroscelidea


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In the News (Mon 21 Dec 09)

  
  Macroscelididae
A new genus of Macroscelidea (Mammalia) from the Eocene of Algeria: A possible origin for elephant-shrews.
Woodall, P. The male reproductive-system and the phylogeny of elephant-shrews (Macroscelidea).
Ultrastructure of spermatozoa of the yellow-rumped elephant shrew Rhynchocyon chrysopygus (Mammalia, Macroscelidea) and the phylogeny of elephant shrews.
tolweb.org /tree?group=Macroscelidea&contgroup=Eutheria   (694 words)

  
 Elephant shrew
At various stages, they have been classified with the shrews and hedgehogs as part of the Insectivora; regarded as distant relatives of the ungulates; grouped with the tree shrews; and lumped in with the hares and rabbits in Lagomorpha.
Recent molecular evidence, however, strongly suggests that the elephant shrews constitute a distinct order, Macroscelidea, and that their closest relatives are the other creatures in the proposed superorder Afrotheria: hyraxes, sirenians, tenrecs, golden moles, the Aardvark and—of all things—the elephants!
The oldest fossil sengis appear in the 50 million year-old rocks of the early Eocene, and by the Miocene the family had prospered and diversified into six separate subfamilies, and included both small, shrew-like insectivores and a wide range of herbivores.
www.guajara.com /wiki/en/wikipedia/e/el/elephant_shrew.html   (476 words)

  
 Digimorph - Macroscelides proboscideus (Short-eared elephant shrew)
Elephant shrews are small mammals (head and body length: 95-315 mm) characterized by long slender tails (length: 80-265 mm), long slender legs, and a long, narrow, semi-flexible snout from which the name derives (Nowak, 1991).
The fossil record of Macroscelidea also is restricted to Africa and extends back to the Eocene, but with only three pre-Miocene taxa (Butler, 1995).
Macroscelides proboscideus is a smallish elephant shrew (head and body length: 104-115 mm; tail length: 115-130 mm) with long pelage that is light gray-brown on the dorsum, yellow-brown on the flanks, and white on the ventrum (Corbet and Hanks, 1968).
www.digimorph.org /specimens/macroscelides_proboscideus/skull   (575 words)

  
 Pictures of the order of elephant-shrews | Order Macroscelidea facts
MACROSCELIDEA Macroscelidea is the elephant shrew order of mammals containing just one family, Macroscelididae.
Macroscelidea is one of several morphologically diverse but predominantly African placental orders classified in the superorder Afrotheria by molecular phylogeneticists3, 4.
In figure 7, for example, the order Macroscelidea is classified with a subclass and an infraclass in data set A that do not exist in data set B. (Full text)
www.thewebsiteofeverything.com /animals/mammals/Macroscelidea   (474 words)

  
 Elephant shrew - Wikipedia, the free encyclopedia
The small insectivorous mammals native to Africa known as elephant shrews or jumping shrews belong to the Macroscelididae family, in the order Macroscelidea.
Macroscelidea · Tubulidentata Hyracoidea ;· Proboscidea · Sirenia ;· Cingulata · Pilosa · Scandentia Dermoptera ;· Primates · Rodentia Lagomorpha Insectivora ;· Chiroptera · Pholidota ;· Carnivora · Perissodactyla Artiodactyla Cetacea
This page was last modified 19:01, 2 September 2006.
en.wikipedia.org /wiki/Macroscelidea   (495 words)

  
 Ungulate - Wikipedia, the free encyclopedia
The Tubulidentata are also thought to be ungulates.
The Macroscelidea have been interpreted as ungulates, and there is dental as well as genetic evidence supporting this interpretation.
The Macroscelidea and Tubulidentata have recently been united with the Paenungulata in the Pseudungulata.
en.wikipedia.org /wiki/Ungulate   (732 words)

  
 Family Macroscelididae or elephant shrews
The small insectivorous mammals native to Africa known as elephant shrews are neither elephants nor shrews and, more formally, are the members of the biological order Macroscelidea.
The majority of Elephant shrews are forest dwellers that often live in burrows, ground depressions, rock crevices, termite mound crevices or under logs.
Four types of giant elephant shrews are found in East Africa and are mainly distinguished by their distinct color patterns; some have contrasting patches of color and others have bold white spots and fl stripes.
www.thewebsiteofeverything.com /animals/mammals/Macroscelidea/Macroscelididae   (285 words)

  
 [No title]
Brainmuseum.com Macroscelidea - Contains information on number of species and genera, history, physical description, locomotion and habitat.
Geocities.com Macroscelidea Elephant Shrew - Presents data on number, physical appearance, diet, habitat and behavior.
Paleorama.com Macroscelidea - Presents information on number, description, diet, range, habitat and classification.
botw.org /top/Science/Biology/Plants_and_Animals/Animalia/Chordata/Mammalia/Macroscelidea   (372 words)

  
 Elephant-Shrews   (Site not responding. Last check: 2007-10-31)
Some extinct forms had herbivorous-style teeth that were so similar to the dentition found in living hyraxes that they were first described as hyraxes (Patterson 1965, Butler 1995).
The common name "sengi" is being used in place of elephant-shrew by many biologists to try and disassociate the Macroscelidea from the true shrews (family Soricidae) in the order Insectivora.
Comparative aspects of the metabolism and thermal biology of elephant-shrews (Macroscelidea).
www.calacademy.org /research/bmammals/eshrews/synopsis.html   (1344 words)

  
 Mammalogy, lecture 9
A. These 4 orders (Insectivora, Macroscelidea, Scandentia, and Dermoptera) have had a confused and chaotic taxonomic history
Other groups: Chrysochloridae (golden moles; burrowers), Solenodontidae (two species, one in Cuba, one in Dominican Republic and Haiti, large, reach 600 mm, produce a toxin in submaxillary glands, may use echolocation to navigate, and both are endangered)
Macroscelidea: the elephant shrews (4 genera, 15 species)
msc.bhsu.edu /biology/bsmith/mammlec9.html   (864 words)

  
 Affinities of /`hyopsodontids/' to elephant shrews and a Holarctic origin of Afrotheria : Nature
Macroscelidea is one of several morphologically diverse but predominantly African placental orders classified in the superorder Afrotheria by molecular phylogeneticists
Here we describe fossil postcrania that provide evidence for a close relationship between North American Palaeocene−Eocene apheliscine 'hyopsodontid' 'condylarths' (early ungulates or hoofed mammals) and extant Macroscelidea.
Apheliscine postcranial morphology is consistent with a relationship to other ungulate-like afrotheres (Hyracoidea, Proboscidea) but does not provide support for a monophyletic Afrotheria.
www.nature.com /nature/journal/v434/n7032/abs/nature03351.html;jsessionid=675B3F360E0F814D01369C13CA677B9D   (284 words)

  
 Golden-rumped elephant-shrew - Rhynchocyon chrysopygus: More Information - ARKive
This shield is thicker in males than in females and is thought to act as protection against the biting attacks of other males (3).
The taxonomic relationship of this group has always been difficult to assess but elephant-shrews are not closely related to shrews, as their name would appear to suggest; recent molecular evidence places sengis (order Macroscelidea) in an ancient group of African mammals that also includes elephants, hyraxes and golden moles, amongst others (4).
Found along the coast of Kenya from Mombassa to the Somali border (2).
www.arkive.org /species/GES/mammals/Rhynchocyon_chrysopygus/more_info.html   (563 words)

  
 Tonya Penkrot - The Center for Functional Anatomy and Evolution at JHU
Tonya Penkrot - The Center for Functional Anatomy and Evolution at JHU
postcranial functional morphology and phylogenetic position of recent and fossil Macroscelidea
Postcranial morphology of Apheliscus and Haplomylus ("Condylarthra," Apheliscidae), and the early Eocene, holarctic origin of the Macroscelidea.
www.hopkinsmedicine.org /fae/TAP.htm   (146 words)

  
 Macroscelidea Mammalia Chordata Animalia Flora and Fauna Biology Science
Macroscelidea Mammalia Chordata Animalia Flora and Fauna Biology Science
Top: Science: Biology: Flora_and_Fauna: Animalia: Chordata: Mammalia: Macroscelidea:
Science- Biology- Flora and Fauna- Animalia- Chordata- Mammalia- Macroscelidea
www.iaswww.com /ODP/Science/Biology/Flora_and_Fauna/Animalia/Chordata/Mammalia/Macroscelidea   (55 words)

  
 McGraw-Hill AccessScience: Macroscelidea   (Site not responding. Last check: 2007-10-31)
After they were brought to the attention of the scientific community in 1800, the elephant shrews were long confused with insectivores and tree shrews (an equally misleading name for the Tupaiidae of southeastern Asia).
In addition, fossil members of the Macroscelidea were for many years wrongly placed in other orders of mammals, such as Marsupialia, Insectivora, and Hyracoidea.
Look here for more information about this article.
www.accessscience.com /Encyclopedia/3/39/Est_395800_frameset.html?doi   (185 words)

  
 [No title]
'; IconFolder '/tree/icons/'; DeepEnclosing '../mammalia.html'; Enclosing Eutheria; EnclosingURL '../eutheria.html'; WebBrowserCreator MOSS; Copyright Date=2000; TAXONEXTINCT Metoldobotes Herodotius Hiwegicyon Pronasilio Palaeothentoides Myohyrax Protypotheroides Mylomygale ; TEXTNOTE REFINDENT ID=1003 TITLE=References TEXT='Butler, P. Fossil Macroscelidea.
Corbet, G. A cladistic look at classification within the subfamily Macroscelidinae based upon morphology.
Woodall, P. An ultrastructural study of the spermatozoa of elephant shrews (Mammalia, Macroscelidea) and its phylogenetic implications.
ag.arizona.edu /ENTO/tree/eukaryotes/animals/chordata/mammalia/macroscelidea/Macroscelidea.nex   (473 words)

  
 IUCN Red List of Threatened Species: Elephantulus edwardii
IUCN Red List of Threatened Species: Elephantulus edwardii
In the past the single family was included in the order Insectivora, but now the family is in the monophyletic order Macroscelidea and the newly created superorder Afrotheria.
See Afrotheria Specialist Group web site for additional information.
www.iucnredlist.org /search/details.php/7136/all   (754 words)

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