This category is for sites about the study of organisms in the Phylum Craniata (our phylum), Phylum Cephalochordata and Phylum Urochordata. Included in this category are the vertebrate classes fish, amphibians, reptiles, mammals and birds.

Subcategories 7

Related categories 1

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 Diversity
Gives the key anatomical characteristics of members of Phylum Hemichordata, Phylum Chordata and its Subphyla Urochordata, Cephalochordata and Vertebrata. Illustrated by slides.
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.
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.
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.
Information on the invertebrate members of the phylum Chordata, what they have in common, and the characteristics of the two subphyla, Urochordata and Cephalochordata.
Cornell University Museum of Vertebrates
Educational and research resource with sections on ichthyology, herpetology, ornithology and mammalogy.
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.
Molecular Patterns of Sex Determination in the Animal Kingdom: a Comparative Study of the Biology of Reproduction
Abstract from an article studying a variety of regulatory mechanisms that determine the sex of offspring in the animal kingdom.
Museum of Vertebrate Zoology Collections
Searchable database of specimens that includes over 50,000 tissue samples for use in molecular analyses.
Other Animal Sounds
Clips recorded by Doug Von Gausig of the sounds made by various amphibians, reptiles, mammals and birds.
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.
Phylum Hemichordata, Urochordata and Cephalochordata
Illustrated description of these three phyla, and the three classes within Urochordata. Also information on the larval stages which form part of the plankton. [PDF]
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.
Skulls: Structure and Function
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.
The Society for Experimental Biology (SEB)
SEB membership is open to scientists world-wide and the Animal Section is a thriving community of enthusiastic scientists working across diverse scientific fields.
Terrestrial Vertebrates
Describes the principle characteristics of tetrapods, which have well defined joints and digits, their classification and phylogenetic relationships.
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.

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