tetrabranchiate

American  

[te-truh-brang-kee-it, -eyt] / ˌtɛ trəˈbræŋ ki ɪt, -ˌeɪt /

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.

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tetrabranchiate British  

adjective

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

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noun

1. any mollusc belonging to the Tetrabranchiata

Etymology

Origin of tetrabranchiate

First recorded in 1825–35; tetra- + branchiate

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

The Cephalopods, again—the highest of all the groups of Mollusca—are represented in the Palæozoic rocks exclusively by Tetrabranchiate forms, which constitute the lowest of the two orders of this class; whereas the more highly specialised Dibranchiates do not make their appearance till the commencement of the Mesozoic.

From Project Gutenberg

Tetrabranchiate Cephalopods, 112; of the Cambrian, 89; of the Lower Silurian, 112-114; of the Upper Silurian, 130; of the Devonian, 149; of the Carboniferous, 186, 187; of the Permian, 199; of the Trias, 212; of the Jurassic, 237-239; of the Cretaceous, 272-274; of the Eocene, 294; of the Miocene, 312.

From Project Gutenberg