macrochoaniticadj.

Brit.

/ˌmakrəʊkəʊəˈnɪtɪk/, U.S.

/ˈˌmækroʊˌkoʊəˈnɪdɪk/

Origin: Formed within English, by derivation. Etymons: macrochoanite n., -ic suffix.

Etymology: < macrochoanite n. + -ic suffix.

Palaeontology.

Having (relatively) long septal necks; (in later use) spec. having septal necks that extend backward to the preceding septum and are invaginated with the preceding neck.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [adjective] > belonging to order Tetrabranchiata > relating to the nautili > macrochoanitic

macrochoanitic1883

1883 A. Hyatt in Proc. Boston Soc. Nat. Hist. 22 260 In the more complicated forms of Goniatitinæ, while the young are quite generally macrochoanitic, the later larval stages and the adults are universally short funnelled.

1954 Bull. Amer. Paleontol. 35 180 Macrochoanitic—essentially straight, reaching backward beyond the preceding septum, and invaginated into the preceding septal neck.

1964 C. Teichert in R. C. Moore Treat. Invertebr. Paleont. K 39/1 Macrochoanitic necks are found only in the Endocerida.

This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).

单词	macrochoanitic
释义	macrochoaniticadj. Brit. /ˌmakrəʊkəʊəˈnɪtɪk/, U.S. /ˈˌmækroʊˌkoʊəˈnɪdɪk/ Origin: Formed within English, by derivation. Etymons: macrochoanite n., -ic suffix. Etymology: < macrochoanite n. + -ic suffix. Palaeontology. Having (relatively) long septal necks; (in later use) spec. having septal necks that extend backward to the preceding septum and are invaginated with the preceding neck. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Cephalopoda > [adjective] > belonging to order Tetrabranchiata > relating to the nautili > macrochoanitic macrochoanitic1883 1883 A. Hyatt in Proc. Boston Soc. Nat. Hist. 22 260 In the more complicated forms of Goniatitinæ, while the young are quite generally macrochoanitic, the later larval stages and the adults are universally short funnelled. 1954 Bull. Amer. Paleontol. 35 180 Macrochoanitic—essentially straight, reaching backward beyond the preceding septum, and invaginated into the preceding septal neck. 1964 C. Teichert in R. C. Moore Treat. Invertebr. Paleont. K 39/1 Macrochoanitic necks are found only in the Endocerida. This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022). < adj.1883
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