What is (a) Originally, an artificial group including many parasitic Entomostraca, together with the horseshoe crabs (Limuloidea). (b) By some recent writers applied to the Merostomata called?

poecilopoda — (a) Originally, an artificial group including many parasitic Entomostraca, together with the horseshoe crabs (Limuloidea). (b) By some recent writers applied to the Merostomata. (Webster's 1913.)

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