plural noun
Pax·​il·​lo·​sa | \ ˌpaksəˈlōsə\

Definition of Paxillosa

in some especially former classifications
: an order that comprises starfishes with dorsal paxillae and is sometimes retained as a suborder of Phanerozonia

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History and Etymology for Paxillosa

New Latin, from neuter plural of (assumed) New Latin paxillosus, from New Latin paxilla + Latin -osus -ose

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to be made up of

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