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Definition of Xiphosura
1. Noun. Horseshoe crabs and extinct forms.
Exact synonyms: Order Xiphosura
Generic synonyms: Animal Order
Group relationships: Class Merostomata, Merostomata
Member holonyms: Family Limulidae, Limulidae
Generic synonyms: Animal Order
Group relationships: Class Merostomata, Merostomata
Member holonyms: Family Limulidae, Limulidae
Definition of Xiphosura
1. n. pl. See Xiphura.
2. n. pl. See Xiphura.