Encentrum spinosum; lateral view. This is an abundant species in lotic waters, feeding on diatoms. Due to compression by the coverslide this specimen had alread discharged 5 diatoms before being photographed. (4)
Encentrum spinosum; lateral view. Species with very short, cone-shaped toes (total length : toe length >15). The arrow points to the dorsal antenna. (2)
Encentrum spinosum; lateral view of the head region (crop of the above image) (2).
Encentrum spinosum; images of the forcipate trophi. Upper left image: the arrowheads point to a acute spine-shaped teeth at the inner margin of each ramus (1). Upper right image: trophi of the specimen below (2). Lower left: trophi of specimen from (6)
Encentrum spinosum; 15 seconds before I took this image this specimen has ejected 3 diatoms. Unfortunately I was still adjusting the microscope for photographing, so the other images got totally overexposed. Specimen with amictic egg (3).
Encentrum spinosum; another specimen from location (4)
Encentrum spinosum; specimen from location (5). The arrow points to the right lateral antenna.
