Nautiloidean.

Brit.

/ˌnɔːtᵻlˈɔɪdɪə/,

/ˌnɔːtlˈɔɪdɪə/, U.S.

/ˌnɔdlˈɔɪdiə/,

/ˌnɑdlˈɔɪdiə/

Origin: A borrowing from Latin. Etymon: Latin Nautiloidea.

Etymology: < scientific Latin Nautiloidea (attributed to L. Agassiz, 1847) < Nautilus nautilus n. + -oidea (see -oid suffix).

Zoology.

With plural or singular agreement. A subclass of cephalopod molluscs possessing a many-chambered shell (either straight or coiled), of which the genus Nautilus is the only living member; (in some classifications) one of a number of subdivisions of the tetrabranchiate cephalopods.

ΚΠ

1878 Johnson's New Universal Cycl. (new ed.) III. 1001/1 Orthoceratidæ, a family name under which are combined a varying number of genera belonging to the class of Cephalopods, order of Tetrabranchiates, and sub-order Nautiloidea.

1883 Science 7 Dec. 728/2 Investigating the embryos of the fossil Nautiloidea.

1935 W. H. Twenhofel & R. R. Shrock Invertebr. Paleontol. ix. 368 Early cephalopod shells were dominantly straight or but slightly coiled... Among the Nautiloidea this type of shell is known as an orthocone.

1979 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. viii. 165/2 Tetrabranchiata. Forms with four gills present or postulated within the mantle cavity. Includes subclasses..Endoceratoidea..Actinoceratoidea..Nautiloidea.

1991 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (new ed.) x. 464/2 The Nautiloidea is characterized by straight or coiled shells and simple sutures.

This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).

单词	nautiloidea
释义	Nautiloidean. Brit. /ˌnɔːtᵻlˈɔɪdɪə/, /ˌnɔːtlˈɔɪdɪə/, U.S. /ˌnɔdlˈɔɪdiə/, /ˌnɑdlˈɔɪdiə/ Origin: A borrowing from Latin. Etymon: Latin Nautiloidea. Etymology: < scientific Latin Nautiloidea (attributed to L. Agassiz, 1847) < Nautilus nautilus n. + -oidea (see -oid suffix). Zoology. With plural or singular agreement. A subclass of cephalopod molluscs possessing a many-chambered shell (either straight or coiled), of which the genus Nautilus is the only living member; (in some classifications) one of a number of subdivisions of the tetrabranchiate cephalopods. ΚΠ 1878 Johnson's New Universal Cycl. (new ed.) III. 1001/1 Orthoceratidæ, a family name under which are combined a varying number of genera belonging to the class of Cephalopods, order of Tetrabranchiates, and sub-order Nautiloidea. 1883 Science 7 Dec. 728/2 Investigating the embryos of the fossil Nautiloidea. 1935 W. H. Twenhofel & R. R. Shrock Invertebr. Paleontol. ix. 368 Early cephalopod shells were dominantly straight or but slightly coiled... Among the Nautiloidea this type of shell is known as an orthocone. 1979 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. viii. 165/2 Tetrabranchiata. Forms with four gills present or postulated within the mantle cavity. Includes subclasses..Endoceratoidea..Actinoceratoidea..Nautiloidea. 1991 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (new ed.) x. 464/2 The Nautiloidea is characterized by straight or coiled shells and simple sutures. This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1878
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