Article
Evolution of king crabs from hermit crab ancestors.
Nature - 6 Feb 1992
Cunningham C W, Blackstone N W, Buss L W
Abstract excerpt
King crabs (Family Lithodidae) are among the world's largest arthropods, having a crab-like morphology and a strongly calcified exoskeleton. The hermit crabs, by contrast, have depended on gastropod shells for protection for over 150 million years. Shell-living has constrained the morphological evolution of hermit crabs by requiring a decalcified asymmetrical abdomen capable of coiling into gastropod shells and...
Topics
- Animals
- Anomura
- Base Sequence
- Biological Evolution
- Genetic Variation
- Molecular Sequence Data
- Phylogeny
- Sequence Homology, Nucleic Acid