How To Use chelicerate In A Sentence
- The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma.
- In some chelicerates, such as scorpions and some eurypterids, the pedipalps are modified into large claws.
- They may represent a very early branching of the chelicerate lineage.
- In all cases, the two chelicerate species form a clade which is quite distinct from a Hexapoda / Crustacea clade.
- All chelicerate arthropods have this special first set of modified legs.
- Another feature of the diagram above and an important character for the chelicerates are the mouthparts.
- Phylogenetic analyses of a wide variety of gene sequences all support the hypothesis that hexapods and crustaceans form a monophyletic group to the exclusion of myriapods and chelicerates.
- To overcome this problem, we used numerous representatives of each: four crustaceans, three myriapods, and even a chelicerate.
- Major arthropod lines have long been recognized (insects, crustaceans, chelicerates, diplopods, chilopods, etc.), but the phylogenetic relationships among these groups remain controversial.
- The Chelicerates include among their number both the tiniest (the microscopic Acari or mites) and the hugest (the giant Paleozoic Eurypterida) of all the Arthropoda.