EUNOTIA-VALIDA AND EUNOTIA-PSEUDOVALIDA SPEC-NOV (BACILLARIOPHYCEAE) - ULTRASTRUCTURE OF THE VALVE AND GIRDLE

Authors
MAYAMA S
Citation
S. Mayama, EUNOTIA-VALIDA AND EUNOTIA-PSEUDOVALIDA SPEC-NOV (BACILLARIOPHYCEAE) - ULTRASTRUCTURE OF THE VALVE AND GIRDLE, Nova Hedwigia, 65(1-4), 1997, pp. 165-176
Citations number
19
Categorie Soggetti
Plant Sciences
Journal title
Nova Hedwigia → ACNP
ISSN journal
00295035
Volume
65
Issue
1-4
Year of publication
1997
Pages
165 - 176
Database
ISI
SICI code
0029-5035(1997)65:1-4<165:EAES(->2.0.ZU;2-L
Abstract
Between Eunotia glacialis and E. valida remain unsolved taxonomical pr oblems because of their resemblance. The type material of the latter a nd several Japanese specimens similar to E. valida were examined in de tail. Areola density, location of polar raphe endings and apical areol ation/striation were useful characteristics for differentiating these species. E. pseudovalida spec. nov. is described as a diatom with tran sapical narrow ditches located in the inner valve surface and girdle b ands which change widths prominently near both apices.