| 单词 | neogaean | 
| 释义 | Neogaeanadj. Chiefly Zoology.   Designating a biogeographical realm originally comprising the entire New World but later confined to the neotropical region; relating to or inhabiting this region. ΘΚΠ the world > the earth > region of the earth > hemisphere > 			[adjective]		 > western New Worlda1855 Neogaean1858 1858    P. L. Sclater in  Jrnl. Linn. Soc.: Zool. 2 134  				The most really characteristic region of Neogean Ornithology. 1890    Cent. Dict.  				Neogæan. 1963    Systematic Zool. 12 54/2  				Näsmark (1937) considered the oral diverticula..of these amphistomes as characterizing a primitive group of eight subfamilies occurring in aquatic vertebrates and mostly Neogaean in distribution. 1990    Ann. Missouri Bot. Garden 77 332  				Paleogean preponderance for supraspecific diversity seems likely for Pteris and Tectaria, neogean for Adiantum and Polypodium. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). <  | 
	
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