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Topic: Mesozoa


In the News (Wed 15 Feb 12)

  
  Mesozoa - Wikipedia, the free encyclopedia
At one time they were classified as a phylum, but are now generally believed to be unrelated to one another, so the term mesozoan is applied descriptively rather than taxonomically.
Historically Mesozoa was the sole phylum of the subkingdom Agnotozoa.
Other groups included with the mesozoa are the Placozoa and the Monoblastozoa.
en.wikipedia.org /wiki/Mesozoa   (198 words)

  
 Mesozoa - LoveToKnow 1911   (Site not responding. Last check: 2007-10-09)
Van Beneden I gave this name to a small group.of minute and parasitic animals which he regarded as inter mediate between the Protozoa and the Metazoa.
The Mesozoa comprise two classes: (I) the Rhombozoa, which are found only in the kidneys of Cephalopods, and(2)the Orthonectida, which infest specimens of Ophiurids, Polybellaria and possibly other groups.
The genus Haplozoon of which two species have been found in the worms Travisia and Clymene by Dogiel is classed as a new group of Mesozoa.
www.1911encyclopedia.org /Mesozoa   (955 words)

  
 Laboratory 1 - Parazoa, Radiata, Acoelomate and Pseudocoelomate Phyla   (Site not responding. Last check: 2007-10-09)
Complete the exercise at the end of the lab, and submit a hardcopy by the due date (see the syllabus).
Mesozoa - Are small worm-like animals that live as parasites of other marine invertebrates.
Classification: The Mesozoa are divided into two Classes: the Rhombozoa and the Orthonectida.
online.sfsu.edu /~jrblair/biol170/lab/Laboratory-1.htm   (1786 words)

  
 Mesozoa
All mesozoans live as parasites of marine invertebrates and their cycle of life is very complex and insufficiently known.
Some time ago, mesozoa were considered as a link between protozoan and metazoan, because they do not possess true tissues and their structure is very simple.
Class Rhombozoa- Parasites of the renal bags of cephalopods, like octopi, sepias and squids.
www.biocab.org /Mesozoa.html   (196 words)

  
 [No title]   (Site not responding. Last check: 2007-10-09)
However, some believe that the inner tissues of the animal are derived from mesoderm, and that the endoderm has been abandoned as a secondary adaptation to a parasitic existence...
A recent report based on phylogenetic analysis of slowly-evolving 18S ribosomal DNA has revealed that the mesozoa group consistently with triploblastic metazoans, and thus by inference, their degeneracy is a secondarily derived feature for a parasitic lifestyle [Ruiz-Trillo et al.
Different analyses, however, suggest that Mesozoa is a monophyletic clade ( HYPERLINK "http://www.mhhe.com/biosci/pae/zoology/animalphylogenetics/references.mhtml" \l "siddall99" Siddall and Whiting 1999;  HYPERLINK "http://www.mhhe.com/biosci/pae/zoology/animalphylogenetics/references.mhtml" \l "winnevan" Winnepenninckx, Van de Peer, and Backeljau 1998).
www.cbu.edu /~esalgado/BIOL246/ch16.doc   (5646 words)

  
 Laboratory 1 – Parazoa, Radiata, Acoelomate and Pseudocoelomate Phyla
Complete the exercise at the end of the lab, and submit by e-mail or in writing.
This lab focuses on the more primitive invertebrate phyla including the Parazoan Porifera (sponges) with an aggregate body plan, the Radiata phyla Placozoa, Cnidaria and Ctenophora with radially symmetrical blind-sac body plans, and the Bilateria phyla of unknown relationship Mesozoa, Platyhelminthes (Flatworms), Gnathostomulida, Gastrotricha, Rotifera, Micrognathozoa, Ciliophora, and Chaetognatha.
Mesozoa – Are small worm-like animals that live as parasites of other marine invertebrates.
userwww.sfsu.edu /~efc/classes/biol170/lab/Laboratory-1.htm   (1650 words)

  
 Origin of the Mesozoa inferred from 18S rRNA gene sequences -- Pawlowski et al. 13 (8): 1128 -- Molecular Biology and ...
Origin of the Mesozoa inferred from 18S rRNA gene sequences -- Pawlowski et al.
Origin of the Mesozoa inferred from 18S rRNA gene sequences
The sequence analysis shows that the Mesozoa branch early in the animal
mbe.oxfordjournals.org /cgi/content/abstract/13/8/1128   (346 words)

  
 BOTW Directory - Science > Biology > Plants and Animals > Animalia > Rhombozoa
Bumblebee.org Invertebrates Mesozoa - Presents the unique characteristics of members of this phylum.
Origin of the Mesozoa Inferred from 18S rRNA Gene Sequences - Describes the results of the analysis done on this group of animals.
Tree of Life Mesozoa - Provides taxonomic grouping and illustrations of reperesentative species.
botw.org /top/Science/Biology/Plants_and_Animals/Animalia/Rhombozoa   (181 words)

  
 Phylogenetic Position of the Dicyemid Mesozoa Inferred from 18S rDNA Sequences -- Katayama et al. 189 (2): 81 -- The ...
Phylogenetic Position of the Dicyemid Mesozoa Inferred from 18S rDNA Sequences -- Katayama et al.
Phylogenetic Position of the Dicyemid Mesozoa Inferred from 18S rDNA Sequences
The dicyemid mesozoa, obligate symbionts in the cephalopod kidney, are
www.biolbull.org /cgi/content/abstract/189/2/81   (251 words)

  
 MavicaNET - Mesozoa   (Site not responding. Last check: 2007-10-09)
Katalog / Kultur / Videnskab / Life Science / Organism Biology / Zoology / Invertebrate Zoology / Mesozoa
Katalog / Kultur / Videnskab / Life Science / Organism Biology / Zoology / Taxonomy: Animalia [Metazoa] / Animals Types / Mesozoa
Short discription of phillums and phylogeny of Mesozoa.
www.mavicanet.com /lite/dan/7202.html   (141 words)

  
 MESOZOA - Online Information article about MESOZOA
The Mesozoa com- prise two classes: (i) the Rhombozoa, which are found only in the kidneys of Cephalopods, and(2)the Orthonectida, which infest specimens of Ophiurids, Poly- chaets,Nernertines,Tur- bellaria and possibly other See also:
The genus, Haplozoon: of which two See also:
species have been found in the worms "Travisia and Clymene byDogiel is classed as a new group of Mesozoa.
encyclopedia.jrank.org /MEC_MIC/MESOZOA.html   (1143 words)

  
 Development of the Infusoriform Embryo of Dicyema japonicum (Mesozoa: Dicyemidae) -- Furuya et al. 183 (2): 248 -- The ...
Development of the Infusoriform Embryo of Dicyema japonicum (Mesozoa: Dicyemidae) -- Furuya et al.
Development of the Infusoriform Embryo of Dicyema japonicum (Mesozoa: Dicyemidae)
Department of Biology, College of General Education, Osaka University, Toyonaka, 560, Japan
www.biolbull.org /cgi/content/abstract/183/2/248   (252 words)

  
 [No title]
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Outer layer of ciliated cells surrounding one or more internal cells Phylum Mesozoa was broken up into two new phyla Phylum Rhombozoa Phylum Orthonectida Mesozoa is no longer a phylum but is used as a collective name to include the rhombozoans and orthonectids.
PHYLUM RHOMBOZOA Class Dicymida Parasites in the kidneys of cephalopods, attached in the nephridial cavities.
www.tarleton.edu /~dekeith/Mesozoa.doc   (867 words)

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