Diatoms of North AmericaDiatoms of North America
Return to overview

Compare Aulacoseira newjerseyana

Enache et al. 2022

Compare

Aulacoseira lirata has a thicker mantle with coarse areolae, a deep ringleist and the valve face has a single row of marginal areolae.

Aulacoseira samariana has a deep ringleist, smooth valve face, and long, tapered spines.

Aulacoseira perglabra var. floriniae superficially resembles A. newjerseyana, but A. perglabra var. floriniae lacks areolae near the collum and ringleist.

Aulacoseira periphytica has a deep ringleist, smaller size, rounded inner mantle walls, blunt spines, and coarse areolae on the valve face. This taxon was described from karstic wetlands in Mexico.

LM scalebar = 10 µm
Aulacoseira newjerseyana LM6 Aulacoseira newjerseyana LM5 Aulacoseira newjerseyana LM3 Aulacoseira newjerseyana LM7 Aulacoseira newjerseyana LM4 Aulacoseira newjerseyana LM2 Aulacoseira newjerseyana LM1
Diameter
8.5–16.2 µm
Width Range
5.4–9.2 µm

Aulacoseira lirata

(Ehrenb.) R.Ross in B.Hartley 1986

Aulacoseira lirata LM4 Aulacoseira lirata LM7 Aulacoseira lirata LM6 Aulacoseira lirata LM5 Aulacoseira lirata LM3 Aulacoseira lirata LM2 Aulacoseira lirata LM1
Diameter
6-23 µm
Width Range
5-14 µm
Striae in 10 µm
7-13

Also compare to

Aulacoseira biseriata

(Grunow in Van Heurck) Houk, R.Klee and H.Tanaka

BioData Reference
Krammer and Lange-Bertalot 2/3 Pl 36 Fig 1-2

Aulacoseira perglabra var. florinae

BioData Reference
Camburn and Charles 2000 Pl 4 Fig 9-22

Aulacoseira samariana

Tremarin et al. 2014

Aulacoseira periphytica

Novelo et al. 2007

Diatoms of North America is running a fundraising campaign to keep the servers in operation. We need you to reach our $25,000 fundraising goal.

If you use and appreciate DONA, make your DONAtion today.

For the Gift Designation, type "diatom" in the search box and select "Diatom Lab Research Fund". This is the designated fund for diatoms.org.

Donate today