Marine Biology (Castro), 9th Edition

Chapter 7: Marine Animals Without a Backbone

Marine Biology on the Net

General introductions to Animals

Phylum Porifera

  • Introduction to Porifera
    This site describes the evolutionary history, life history, and ecology of the sponges. Many links to other sites are available.
    http://www.ucmp.berkeley.edu/porifera/porifera.html
    (Added: Mon Jul 02 2001)
  • Phylum Porifera
    University of Michigan site on phylum Porifera. Pictures, information on the phylum. Links to the four (some identify three) classes of sponges.
    http://animaldiversity.ummz.umich.edu/porifera.html
    (Added: Mon Jul 02 2001)
  • Porifera
    Arizona's Tree of Life Web Page. Pictures, references, and information on sponges.
    http://tolweb.org/tree?group=Porifera&contgroup=Animals
    (Added: Mon Jul 02 2001)
  • Porifera: Fossil Record
    The fossil history, life history, ecology, systematics, and morphology of sponges are described at this site.
    http://www.ucmp.berkeley.edu/porifera/poriferafr.html
    (Added: Mon Jul 02 2001)

Phylum Cnidaria

  • Introduction to the Cnidaria
    University of California at Berkeley Museum of Paleontology. Links to the fossil record, life history and ecology, systematics, and morphology. Many links to the different classes.
    http://www.ucmp.berkeley.edu/cnidaria/cnidaria.html
    (Added: Mon Jul 02 2001)

Phylum Ctenophora

  • Ctenophora
    Arizona's Tree of Life Web Page. Pictures, references on ctenophores.
    http://tolweb.org/tree?group=Ctenophora&contgroup=Animals
    (Added: Mon Jul 02 2001)
  • Introduction to the Ctenophora
    University of California at Berkeley, Museum of Paleontology. Images, photos, systematics, more information, and links.
    http://www.ucmp.berkeley.edu/cnidaria/ctenophora.html
    (Added: Mon Jul 02 2001)

Phylum Annelida

  • Introduction to the Annelida
    University of California at Berkeley Museum of Paleontology. This site provides an introduction to the annelids. It contains information on annelids in the fossil record and annelid life histories, systematics, and morphology, as well as many links.
    http://www.ucmp.berkeley.edu/annelida/annelida.html
    (Added: Mon Jul 02 2001)
  • Phylum Annelida
    Animal Diversity Web, University of Michigan.
    http://animaldiversity.ummz.umich.edu/annelida.html
    (Added: Mon Jul 02 2001)

Class Polychaeta

  • Introduction to the Polychaeta
    University of California at Berkeley Museum of Paleontology. Links to the fossil record, life history and ecology, systematics, and morphology.
    http://www.ucmp.berkeley.edu/annelida/polyintro.html
    (Added: Mon Jul 02 2001)

Class Bivalvia

  • Class Bivalvia
    The clams, mussels, oysters, and their relatives.
    http://animaldiversity.ummz.umich.edu/mollusca/bivalvia.html
    (Added: Sat Jan 26 2002)

Class Cephalopoda

  • Class Cephalopoda
    The squid, nautilus, octopus, and the cuttlefish.
    http://animaldiversity.ummz.umich.edu/mollusca/cephalopoda.html
    (Added: Sat Jan 26 2002)

Subphylum Chelicerata

  • Introduction to the Cheliceramorpha
    University of California at Berkeley Museum of Paleontology. Links to the fossil record, life history and ecology, systematics, and morphology.
    http://www.ucmp.berkeley.edu/arthropoda/chelicerata/cheliceramorpha.html
    (Added: Mon Jul 02 2001)
  • Subphylum Chelicerata
    Links to the classes Merostomata, Pynogonida, and Arachnida.
    http://animaldiversity.ummz.umich.edu/arthropoda/chelicerata.html
    (Added: Mon Jul 02 2001)

Subphylum Crustacea

  • Subphylum Crustacea
    Links to the classes Remipedia, Cephalocarida, Branchiopoda, Maxillopoda, and Malacostraca.
    http://animaldiversity.ummz.umich.edu/arthropoda/crustacea.html
    (Added: Mon Jul 02 2001)

Phylum Echinodermata

  • Echinodermata
    Arizona's Tree of Life Web Page. Pictures, characteristics, phylogenetic relationships, references on echinoderms.
    http://tolweb.org/tree?group=Echinodermata&contgroup=Metazoa
    (Added: Mon Jul 02 2001)
  • Introduction to the Echinoderms
    University of California at Berkeley Museum of Paleontology. This site provides information on the echinoderm fossil record, life histories, systematics, and morphology. It also provides a great number of links to sites that focus on each of the echinoderm classes.
    http://www.ucmp.berkeley.edu/echinodermata/echinodermata.html
    (Added: Mon Jul 02 2001)
  • Phylum Echinodermata
    Animal Diversity Web, University of Michigan. Information about echinoderms, with links to various groups of echinoderms. Nice pictures: check out the magnificent urchin, Astrophyga magnifica. It's obvious why it was named!
    http://animaldiversity.ummz.umich.edu/echinodermata.html
    (Added: Mon Jul 02 2001)
  • The CAS Echinoderm Webpage
    This site provides information on echinoderm taxonomy and on the echinoderm collection of the California Academy of Science. It also provides links to other echinoderm sites.
    http://www.calacademy.org/research/izg/echinoderm/
    (Added: Mon Jul 02 2001)

Subphylum Urochordata

  • Ascidian News
    This site is an online newsletter focusing on the biology of the urochordates. It provides links to other ascidian sites.
    http://nsm.fullerton.edu/~lamberts/ascidian/
    (Added: Mon Jul 02 2001)
  • Introduction to the Urochordata
    This University of California at Berkeley Museum of Paleontology site provides photographs and information on the biology and classification of the urochordates.
    http://www.ucmp.berkeley.edu/chordata/urochordata.html
    (Added: Wed Jun 12 2002)
  • Subphylum Urochordata
    Information on all members of this phylum, both sessile and pelagic.
    http://animaldiversity.ummz.umich.edu/site/accounts/pictures/Urochordata.html
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