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Early development in Dendraster These micrographs illustrate interesting features of cleavage stages in the local sand dollar, Dendrasterexcentricus.  Images belong to George von Dassow.
Animals:  Part I
http://tolweb.org/tree/phylogeny.html
Phylum: Porifera Class: Hexactinellida
Typical Choanoflagellate Copyright © Stephen Fairclough
Phylum: Cnideria Class: Scyphozoa
Phylum: Platyhelminthes Class: Turbellaria
MOLLUSCA
http://www.ted.com/talks/david_gallo_shows_underwater_astonishments.html http://www.youtube.com/watch?v=1pJPnZFSy5o
Annelida http://www.youtube.com/watch?v=fWIvV9QlNow
Phylum Arthropoda: Contains 75-80% of all animal species.
Phylum: Arthropoda   Subphylum: Chelicerata Class: Merostomata        Class: Arachnida             Order: Aranea              Order: Scorpiones              Order: Opiliones              Order: Acari   Subphylum: Myriapoda        Class: Chilopoda        Class: Diplopoda   Subphylum: Crustacea        Class: Maxillopoda Subclass: Cirripedia        Class: Malacostraca Subclass: Decapoda   Subphylum: Hexapoda        Class: Insecta              Order: Key ‘em out!
Arthropoda:   Chelicerata
Arthropoda:  Miriapoda
Arthropoda: Crustacea http://www.youtube.com/watch?v=Nd7o6ytz_LM
Arthropoda:  Hexapoda
Echinodermata
23 Diversity III:  Invertebrates
23 Diversity III:  Invertebrates

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23 Diversity III: Invertebrates

Notas do Editor

  1. http://celldynamics.org/celldynamics/gallery/dendraster.html
  2. http://paulsanghera.com/infonential-Contact.html
  3. http://wikimediafoundation.org/wiki/File:Protovsdeuterostomes.svg
  4. http://tolweb.org/tree/phylogeny.html
  5. From Hickman’s “Integrated Principles of Zoology” 14th edition.
  6. http://aquaticdatabase.com/index.php/Cnidocytehttp://fac.hsu.edu/engmanj/bio2114/cnidlab/cnidslid.htm
  7. http://wikimediafoundation.org/wiki/File:Clone_war_of_sea_anemones_2-17-08-2.jpg
  8. http://www.boydski.com/diving/photos/nudis/index.htm
  9. http://www.boydski.com/diving/photos/nudis/index.htm
  10. http://www.seaotter.com/marine/research/dirona/albolineata/html/1alabaster_nudibranch.jpg.html
  11. http://tolweb.org/onlinecontributors/app?service=external/ViewImageData&sp=4230
  12. ???
  13. TOL
  14. http://bss.sfsu.edu/holzman/courses/fall02%20projects/sandollar/sanddollar.html
  15. Student image (left) Sp2011http://wikimediafoundation.org/wiki/File:Opheiolepis_elegans_600.jpg