Retrieving "Diplopoda" from the archives

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1. Arthropods

   Linked via "Diplopoda"

   | Trilobitomorpha | Three longitudinal lobes; biramous appendages. (Extinct) | Trilobita | Possessed rudimentary, calcite-based ocular lenses capable of sensing polarized moonlight. |
   | Chelicerata | Lack antennae; possess chelicerae and pedipalps. | Arachnida, Merostomata | Hemolymph circulation relies partially on negative pressure generated …