Class Chrysophyceae

 


 

Order Chromulinales

 

 

Chrysamoeba .

 

 

 

 

 

 

1.Chryamoeba

 

Chrysamoeba_MOYLE6_402.jpg (31171 bytes)

800x

 

pond at Moyle Concrete

surface plankton tow

9/5/01

pH 7.85, 25.2 oC

 

 

2.Chryamoeba

 

800x

 

pond adjacent to Osceola Rd

surface plankton tow

9/3/03

20.5 oC

 

 

3.Chryamoeba

 

800x

moving

550 KB (DivX)

same as above

 

 

4.Chryamoeba

 

800x

flagellum visible

574 KB (DivX)

same as above

 

 

 

Dinobryon .          

 

1.Dinobryon  cylindricum

 

500x

flagella and cells moving

623 KB (DivX)

Keweenaw Waterway at MTU

surface plankton tow

5/1/03

7.0 oC

 

 

2.Dinobryon cylindricum

 

800x

flagella moving

413 KB (DivX)

same as above

 

 

3.Dinobryon sertularia

 

500x

 

Keweenaw Waterway at Lily Pond

oblique plankton tow

8/29/05

15 oC

 

 

4.Dinobryon sertularia

 

640x

 

same as above

 

 

5.Dinobryon sertularia

(stomatocysts)

 

640x

640x

Gooseneck Creek at Dollar Bay

surface plankton tow

11/22/05

0.5 oC

 

 

6.Dinobryon sertularia

(stomatocysts)

 

640x

640x

same as above

 

 
7.Dinobryon sertularia (stomatocysts)

800x

 

Twelve Mile Lake

collected with aquatic plants

10/23/07

 

 

7.Dinobryon divergens

 

500x

 

Keweenaw Waterway at Lily Pond

oblique plankton tow

8/29/05

15 oC

 

 

8.Dinobryon divergens

 

500x

 

Dollar Bay at boat launch

surface plankton tow

9/21/05

20.5 oC

 

 

8.Dinobryon pediforme

800x

 

Perrault Bog

surface plankton tow

6/19/07

19.5 oC

 

 

9.Dinobryon bavaricum

 

640x

 

Keweenaw Waterway at Lily Pond

oblique plankton tow

8/29/05

15 oC

 

 

10.Dinobryon bavaricum

 

640x

 

same as above

 

 

11.Dinobryon sociale

 

640x

 

Torch Lake at Lake Linden boat launch

surface plankton tow

9/27/05

18.5 oC

 

 

12.Dinobryon sociale

(stomatocysts)

 

640x

 

pond adjacent to Osceola Rd

surface plankton tow

9/3/03

20.5 oC

 

 

13.Dinobryon sociale

(stomatocysts)

 

800x

 

same as above

 

 

14.Dinobryon eurystoma

 

800x

 

Twelve Mile Lake

plankton tow

10/23/07

 

 

 

Epipyxis .          

 

1.Epipyxis

 

800x

pond by old Laurium dump

collected with plant material

10/25/07

7.5 oC

 

 

 

Uroglena .          

 

1.Uroglena

 

500x

rotating

0.99 MB (DivX)

 

 

Gooseneck Creek at Dollar Bay

surface plankton tow in pool

9/21/05

21 oC

 

 

2.Uroglena

 

400x

rotifer attack

825 KB (DivX)

800x

flagella moving

387 KB (DivX)

Boston Pond

surface plankton tow

5/31/03

16.5 oC

 

 

3.Uroglena

 

250x

640x

640x

 

Dollar Bay at boat launch

oblique plankton tow

7/30/06

25.5 oC

 

4.Uroglena

 

640x

640x

swimming

1.8 MB (DivX)

 

MTU runoff settling pond

collected with aquatic plants

6/12/03

17 oC

 

 

5.Uroglena

 

500x

500x

   

Arnheim Sloughs

surface plankton tow

10/20/05

14 oC

 

 

6.Uroglena

 

500x

500x

    same as above

 

 

 

Uroglenopsis .          

 

1.Uroglenopsis

 

Uroglena volvox (1)_jason5_LAtow5_40125.jpg (41154 bytes)

500x

 

pond off Lake Annie Road

surface plankton tow

10/3/01

 

 

2.Uroglenopsis

 

320x

swimming

573 KB (DivX)

 

same as above

 

 

3.Uroglenopsis

 

Uroglena volvox (1)_jason5_LAtow3_4016.jpg (32167 bytes)

640x

 

same as above

 

 

4.Uroglenopsis (Eusphaerella) turfosa

 

800x

800x

focus through

619 KM (DivX)

beaver pond on Hungarian Creek at US41

surface plankton tow

10/11/05

11 oC

 

 

 

 

 

Order Hibberdiales

 

 

Chrysopyxis .

         

 

1.Chrysopyxis bipes

 

800x

Twelve Mile Lake

collected with aquatic plants

10/23/07

 

 

2.Chrysopyxis bipes

 

800x

pond adjacent to Osceola Rd.

collected with plant material

10/25/07

9 oC

 

 

3.Chrysopyxis bipes

 

800x

Twelve Mile Lake

collected with aquatic plants

10/23/07 (examined one day later)

 

 

4.Chrysopyxis bipes

 

800x

Twelve Mile Lake

collected with aquatic plants

10/23/07

 

 

 

Derepyxis          

 

1.Derepyxis amphora

 

800x

Twelve Mile Lake

collected with aquatic plants

10/23/07

 

 

 

Lagynion .          

 

1.Lagynion

 

800x

Perrault Bog

collected with plant material

9/13/05

pH 5.13, 22.2 oC

 

 

2.Lagynion

 

800x

same as above

 

 

3.Lagynion

 

800x

same as above

 

 

4.Lagynion

 

800x

Keweenaw Waterway at MTU

oblique plankton tow

10/16/05

13.5 oC

 

 

 

 

 

Chrysophyte stomatocyst

 

800x

Perrault Bog

collected with floating algal mat

5/4/03

 

 
Chrysophyte stomatocyst

800x

Dollar Bay at boat launch

oblique plankton tow

7/30/06

25.5 oC