Haematobranchia

plural noun

Hae·​ma·​to·​bran·​chia

ˌhēmətōˈbraŋkēə,

ˌhem-

in some classifications

: a division of arthropods consisting of the trilobites, eurypterids, and horseshoe crabs

haematobranchiate

¦⸗⸗⸗¦braŋkēə̇t

-ēˌāt

adjective

Word History

Etymology

New Latin, from hemat- + -branchia

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