Internet Directory - Top : Science : Biology : Zoology : Chordates

Top : Science : Biology : Zoology : Chordates (304 web sites)
Vertebrate Paleontology
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Science: Biology: Flora_and_Fauna: Animalia: Chordata
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Anatomical Terms of Location
Article from Wikipedia describing the complex terminology necessary to be used when describing the anatomy of animals in order to avoid confusion.

Animal Cells and Tissues
Notes by Michael J. Farabee on the structure and functions of each of the four major animal tissue types: epithelial, muscle, connective and bone.

Animal Organ Systems and Homeostasis
Homeostasis describes the physical and chemical parameters that an organism must maintain to allow proper functioning of its component cells, tissues and organs.

BioMed Central: Molecular Patterns of Sex Determination in the Animal Kingdom
Abstract from an article studying a variety of regulatory mechanisms that determine the sex of offspring in the animal kingdom.

Biological Diversity: Animals
Outlines the evolutionary history of animal groups from the simple coelomates to the chordates and the various vertebrate classes, with diagrams and photographs.

Article from Wikipedia describing the characteristics, functions and types of bone and how bone is formed.

Breathing in Stegocephalians
Most tetrapods breathe with the lungs that they inherited from their ancestors such as the coelacanth and lungfishes and this is probably also true of extinct groups of stegocephalians.

California Academy of Sciences: Skull Stories
Though primarily designed to protect the brain, the architecture of an animal’s skull can help scientists to deduce many of its dietary and social patterns.

Information on the invertebrate members of the phylum Chordata, what they have in common, and the characteristics of the two subphyla, Urochordata and Cephalochordata.

Department of Vertebrate Zoology
Information on the research and programs being undertaken at the Smithsonian Museum of Natural History.

Guide to Animal Sounds on the Net
Provides an index to animal sounds on the Web including birds, mammals, reptiles, amphibians, fish and insects.

Hearing in Stegocephalians
In this article, Michael Laurin outlines the anatomy and evolution of the outer, middle and inner ear in land vertebrates.

Infrared Zoo
Uses infrared photography to show the differences between warm and cold blooded animals.

Invertebrate Members of the Phylum Chordata
Outlines the differences between the subphylum Vertebrata and the two subphyla, Urochordata and Cephalochordata.

Life History of Stegocephalians
Michael Laurin outlines the life history of tetrapods and extinct terrestrial vertebrates.

Online Biology Book: Glossary
Comprehensive list of the technical terms you are likely to come across, with cross references.

Other Animal Sounds
Clips recorded by Doug Von Gausig of the sounds made by various amphibians, reptiles, mammals and birds.

Palaeos: The Vertebrates - Glossary
Provides a comprehensive list of definitions of the technical terms likely to be met when studying the vertrebates. Cardiovascular System: The Heart and Vessels
Outlines the function of this system, its anatomy and physiology, and compares the mammalian organs with those of birds, amphibians, reptiles and fish.

Phylogeny of Stegocephalians
Stegocephalians are tetrapods with digits rather than fins. Michael Laurin explores the relationship between the extant and the extinct members of this group.

Sensory Systems in Amphioxus: A Window on the Ancestral Chordate Condition
Abstract from a paper comparing the sensory systems of vertebrates with the less-developed systems of Amphioxus.

Terrestrial Vertebrates
Describes the principle characteristics of tetrapods, which have well defined joints and digits, their classification and phylogenetic relationships.

The Annual Symposium of Vertebrate Palaeontology and Comparative Anatomy
Details of this year’s meeting of SVPCA and abstracts from presentations made in previous years.

The Integument and its Derivatives
These notes cover the dermis and epidermis including skin, beaks, nails, hooves, horns, hair, feathers, scales and teeth.

The Vertebrates
Notes on the classification structure of the Vertebrates with a cladogram to review the evolutionary relationships of the craniata.

Will's Skull Page
Features images and measurements of mammalian skulls as well as updates and related links.