Anuraeopsis fissa, specimen with two drop-shaped amictic eggs. The lower egg has been produced earlier, so it is more developed, showing the eyespot and trophi, while the upper (younger) egg is filled with yolk. (2) |
|
![](../../Brachionidae/image/Anuraeopsis_fissa116-8.jpg) |
Anuraeopsis fissa is characterized by a special membranaceous organ (WEBER organ, arrowheads) in the gap between the dorsal and ventral plates , which is a special aid for carrying the eggs.(2) |
|
![](../../Brachionidae/image/Anuraeopsis-fissa_46b-8.jpg) |
Anuraeopsis fissa is a plankton species; here under the coverslide together with Trachelomonas verrucosa and Gonium pectorale. Sometimes the animals are colonized by sessile euglenoid flagellates, e.g. Colacium sp. (2). |
|
![](../../Brachionidae/image/Anuraeopsis-fissa_resting-egg_343b-8.jpg) |
Anuraeopsis fissa, carrying a resting egg, which is characterized by a durable shell. On the left side of the shell is a zooflagellate as epibiont. |
|
![](../../Brachionidae/image/Anuraeopsis%20fissa1010c.JPG) |
Anuraeopsis fissa, another specimen from (1), dorsoventral view. |
|
![](../../Brachionidae/image/Anuraeopsis%20fissa7b.JPG) |
Anuraeopsis fissa, another specimen from (1), WEBER-organ. |
|
![](../../Brachionidae/image/Anuraeopsis-fissa_84-8.jpg) |
Anuraeopsis fissa, malleate trophi |
|
Location: Gevelsberg, Grünes Klassenzimmer (pond (1) (Sprockhövel-Hasslinghausen,Teich(2) |
Habitat: plankton |
Date: 3.6.2006 (1); 6.6.2012 (2) |
|
|
|