What is the Chelicerata?
Q: What is the Chelicerata?
A: The Chelicerata is a sub-phylum of the Arthropods, consisting of two classes: the Arachnids and the Merostomata.
Q: What are the two classes that make up the Chelicerata?
A: The two classes that make up the Chelicerata are the Arachnids and Merostomata.
Q: What are Eurypterids?
A: Eurypterids are an extinct group of aquatic arthropods which were part of the Merostomata class in the Chelicerata sub-phylum.
Q: How many species of air-breathing chelicerates exist?
A: There are over 77,000 species of air-breathing chelicerates, and there may be about 500,000 unidentified species.
Q: Are pycnogonids considered to be part of Chelicerates?
A: It is uncertain whether pycnogonids should be considered as part of Chelicerates or not; some genetic evidence suggests they may be an ancient sister group to all other living arthropods.
Q: How many species of Pycnogonids exist? A: There are 1,300 known species of Pycnogonids.
Q: What kind of lifestyle do most chelicerate animals have?
A: Most chelicerate animals have a carnivorous or heterotrophic lifestyle.