| 释义 |
Arctalian, a. Zoogeogr.|ɑːkˈteɪlɪən|
[f. mod.L. Arctalia (f. Gr. ἄρκτος: cf. Arctic + ἅλς sea) + -an.]
Belonging to or designating the marine region called Arctalia, comprising the seas of the northern hemisphere as far south as the isocryme of 44° Fahr.
1885T. Gill in Proc. Biol. Soc. Washington 1882–4 II. 33 A primary combination of the marine faunas is most natural under the categories of Tropicalian, Arctalian, and Notalian. Ibid. 33 The Arctalian realm..for the sake of definition, might be confined to the seas of the northern hemisphere, limited southward by the course of floating ice..but..the isocryme of 44° seems to be a more natural approximate limit. |