| NOUN | animal | Chelicerata, superclass Chelicerata | spiders |
|---|
| Meaning | spiders; scorpions; horseshoe crabs. | |
|---|---|---|
| Synonym | superclass Chelicerata | |
| Member of | Arthropoda, phylum Arthropoda | jointed-foot invertebrates |
| Members | Arachnida, class Arachnida | A large class of arthropods including spiders and ticks and scorpions and daddy longlegs |
| Merostomata, class Merostomata | Used in some classifications | |
| Pycnogonida, order Pycnogonida | sea spiders | |
| Broader | class | (biology) a taxonomic group containing one or more orders |