from The Century Dictionary.
- In Latreille's system of classification, the second order of his Entomostraca, divided into two families, Xiphosura and Siphonosloma.
from the GNU version of the Collaborative International Dictionary of English.
- noun plural Originally, an artificial group including many parasitic Entomostraca, together with the horseshoe crabs (Limuloidea).
- noun plural By some recent writers applied to the Merostomata.
Sorry, no etymologies found.
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