Titlebook: Nekton; Yu. G. Aleyev Book 1977 Dr. W. Junk b.v., Publishers, The Hague 1977 adaptation.fish.ocean.plankton

Lethargic

量被毀壞

Ecomorphological Classification of Nektoname of the nektonic class tending towards terrestrial fauna has been derived (Aleyev 1972a) from the Greek root ξηρ?, dry, i.e. land, continent; for semiaquatic animals tending towards nekton the name nektoxeron is adopted (see Introduction).

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