2 NEW SPECIES OF BEDDARDIELLA (EUDRILIDAE, OLIGOCHAETA, ANNELIDA) FROM NIGERIA

Authors
Citation
So. Owa, 2 NEW SPECIES OF BEDDARDIELLA (EUDRILIDAE, OLIGOCHAETA, ANNELIDA) FROM NIGERIA, Journal of Natural History, 30(7), 1996, pp. 977-987
Citations number
6
Categorie Soggetti
Zoology
Journal title
ISSN journal
00222933
Volume
30
Issue
7
Year of publication
1996
Pages
977 - 987
Database
ISI
SICI code
0022-2933(1996)30:7<977:2NSOB(>2.0.ZU;2-2
Abstract
Two new earthworms species, Beddardiella soforei n.sp. and Beddardiell a numanensis n.sp., are described from Michika and Numan in north east ern Nigeria. They, like their earlier described congeners, are charact erized by non-continuity of the lumen of the thecovarian duct with tha t of the spermatheca, the locations of two oesophageal gizzards in eit her V-VI or VI-VII (as against a single gizzard in V in other Eudrilin ae), the location of ventral oesophageal sacs in X-XII as against IX-X I, and the location of calciferous glands in XV as against XIII. These probably represent sufficient reasons to erect a new subfamily to acc ommodate the genus Beddardiella. But, as a continuing analysis reveals more variations among the Eudrilinae it is recommended that this awai ts a more comprehensive reclassification of the family.