tetrabranchiate

[ te-truh-brang-kee-it, -eyt ]

adjective

1. belonging or pertaining to the Nautiloidea (Tetrabranchiata), a subclass or order of cephalopods with four gills, including the pearly nautilus and numerous fossil forms.

tetrabranchiate

adjective

1. of, relating to, or belonging to the Tetrabranchiata, a former order of cephalopod molluscs having four gills and including the pearly nautilus

noun

1. any mollusc belonging to the Tetrabranchiata

Word History and Origins

Origin of tetrabranchiate¹

First recorded in 1825–35; tetra- + branchiate

Example Sentences

Tetrabranchiate, tet-ra-brang′ki-āt, adj. having four gills.—n.pl.

From Project Gutenberg

Sī′phonostome, a siphonostomatous animal, as a fish-louse; Sī′phuncle, the siphon or funnel of tetrabranchiate cephalopods: a nectary.—adjs.

From Project Gutenberg

Rhyncholite, ring′kō-līt, n. the fossil beak of a tetrabranchiate cephalopod.

From Project Gutenberg

A case less open to the objection of negative evidence, however, is that afforded by the Tetrabranchiate Cephalopoda, the forms of the shells and of the septal sutures exhibiting a certain increase of complexity in the newer genera.

From Project Gutenberg

The Jurassic period—General sequence and subdivisions of the Jurassic deposits in Britain—Jurassic rocks of North America—Life of the period — Plants — Corals — Echinoderms — Crustaceans — Insects — Brachiopods — Bivalves — Univalves — Pteropods — Tetrabranchiate Cephalopods — Dibranchiate Cephalopods — Fishes — Reptiles — Birds — Mammals — Literature.

From Project Gutenberg