Compare Craticula coloradensis
Craticula cuspidata has valves that are more strongly tapered and have a higher transapical stria density. Craticula acidoclinata has narrow, rostrate apices and weakly radiate transapical striae.
Craticula johnstoniae has narrower valves with rostrate to subcapitate ends, narrower breadth, a higher transapical stria density and an expanded central area.
Craticula pampeana has much larger valves, slightly protracted, rounded apices and a lower transapical stria density.
Craticula sardiniana has smaller valves with broadly rounded, subrostrate apices and an expanded central area.
LM scalebar = 10 µm
Length Range
101-162 µm
101-162 µm
Width Range
22.5-26.7 µm
22.5-26.7 µm
Striae in 10 µm
transverse striae 11.9-14.3; longitudinal striae 20.0-23.8
transverse striae 11.9-14.3; longitudinal striae 20.0-23.8
Length Range
139-274 µm
139-274 µm
Width Range
29-45 µm
29-45 µm
Striae in 10 µm
10-12
10-12
Length Range
78-105 µm
78-105 µm
Width Range
18.0-19.3 µm
18.0-19.3 µm
Striae in 10 µm
14 (center) to 17 (apices); 10-15 Heribaudii stage
14 (center) to 17 (apices); 10-15 Heribaudii stage
Length Range
95-157 µm
95-157 µm
Width Range
24-36 µm
24-36 µm
Striae in 10 µm
12-14 transverse, 24-26 longitudinal
12-14 transverse, 24-26 longitudinal
Length Range
94-168 µm
94-168 µm
Width Range
22-29 µm
22-29 µm
Striae in 10 µm
12-14
12-14
Length Range
68-113 µm
68-113 µm
Width Range
15.6-19.5 µm
15.6-19.5 µm
Striae in 10 µm
14 (middle) to 18 (ends)
14 (middle) to 18 (ends)
