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Karayevia laterostrata differs from K. clevei in having elliptical valves with narrowly capitate to subcapitate apices. Valves of K. clevei are lanceolate with rounded to subrostrate apices.

LM scalebar = 10 µm
Ih041690  Karlatero 1A Mo000019  Karlatero 1A Mo000019  Karlatero 1B Gsn23403  Kalaterostr 1A Gsn23519 2B Gsn23519 2A Gsn23519 1
Length Range
9-16 µm
Width Range
6-8 µm
Striae in 10 µm
14-18

Karayevia clevei

(Grunow) Bukht. 1999

Gs115987 4 Gs115987 2 Gs115987 1 Gs115987 5 Gs115987 3 Gs115987 7 Gsn23519 1 1
Length Range
10-28 µm
Width Range
5.0-8.2 µm
Striae in 10 µm
9-12 on rapheless valve, 18-24 on raphe valve

Karayevia ploenensis var. gessneri

(Hust.) Bukht. 1999

Karayevia ploenensis var gessneri LM6 Karayevia ploenensis var gessneri LM7 Karayevia ploenensis var gessneri LM1 Karayevia ploenensis var gessneri LM2 Karayevia ploenensis var gessneri LM3 Karayevia ploenensis var gessneri LM4 Karayevia ploenensis var gessneri LM5
Length Range
11-16 µm
Width Range
4.8-5.6 µm
Striae in 10 µm
14-16 in the center of raphe valve, 15-17 in the center of raphe valve, up to 20 at the ends