meiobenthosn.

Brit.

/ˌmʌɪəʊˈbɛnθɒs/, U.S.

/ˌmaɪoʊˈbɛnˌθɑs/

Origin: Formed within English, by compounding. Etymons: meio- comb. form, benthos n.

Etymology: < meio- comb. form + benthos n. (see quot. 1942). Compare macrobenthos n. and microbenthos n.

Ecology.

The section of the benthos that includes animals neither small enough to be grouped with the microfauna nor large enough to be grouped with the macrofauna.

ΘΚΠ

the world > animals > by habitat > [noun] > of a particular region (fauna) > of particular type

ophiology1815

inquiline1879

pilgrim1888

microfauna1895

topomorph1897

faunule1909

cryptozoa1911

epifauna1914

macrofauna1918

megafauna1927

macrobenthos1942

meiobenthos1942

microbenthos1942

meiofauna1950

megafauna1975

1942 M. F. Mare in Jrnl. Marine Biol. Assoc. 25 519 A new terminology is needed, and these groups are here designated the macrobenthos, meiobenthos, and microbenthos. The macrobenthos is equivalent to the macrofauna of the bottom... The meiobenthos here comprises the fauna of intermediate size, such as small crustacea (copepods, cumaceans, etc.) small polychaetes and lamellibranchs, nematodes and foraminifera. The microbenthos comprises all the small organisms.

1967 Oceanogr. & Marine Biol. 5 522 The number of individuals given by Kiseleva has the great merit of taking into account the meiobenthos.

1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) i. 13/2 The meiobenthos of both types of habitat tend to be dominated by nematode worms and small crustaceans.

This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).

单词	meiobenthos
释义	meiobenthosn. Brit. /ˌmʌɪəʊˈbɛnθɒs/, U.S. /ˌmaɪoʊˈbɛnˌθɑs/ Origin: Formed within English, by compounding. Etymons: meio- comb. form, benthos n. Etymology: < meio- comb. form + benthos n. (see quot. 1942). Compare macrobenthos n. and microbenthos n. Ecology. The section of the benthos that includes animals neither small enough to be grouped with the microfauna nor large enough to be grouped with the macrofauna. ΘΚΠ the world > animals > by habitat > [noun] > of a particular region (fauna) > of particular type ophiology1815 inquiline1879 pilgrim1888 microfauna1895 topomorph1897 faunule1909 cryptozoa1911 epifauna1914 macrofauna1918 megafauna1927 macrobenthos1942 meiobenthos1942 microbenthos1942 meiofauna1950 megafauna1975 1942 M. F. Mare in Jrnl. Marine Biol. Assoc. 25 519 A new terminology is needed, and these groups are here designated the macrobenthos, meiobenthos, and microbenthos. The macrobenthos is equivalent to the macrofauna of the bottom... The meiobenthos here comprises the fauna of intermediate size, such as small crustacea (copepods, cumaceans, etc.) small polychaetes and lamellibranchs, nematodes and foraminifera. The microbenthos comprises all the small organisms. 1967 Oceanogr. & Marine Biol. 5 522 The number of individuals given by Kiseleva has the great merit of taking into account the meiobenthos. 1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) i. 13/2 The meiobenthos of both types of habitat tend to be dominated by nematode worms and small crustaceans. This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022). < n.1942
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