| Squatinella mutica mutica, dorsoventral view. |
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| Squatinella mutica mutica, lateral view. In contrast to Squatinella rostrum this species has no dorsal spine on the foot. (4) |
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| Squatinella mutica mutica, ventral view of the head; focus plane on the ventral cilia which oscillate in transversal direction while swimming (2) |
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| Squatinella mutica mutica, specimen from (3), optical cross-section through the head, a little bit more dorsal than the image above. The left and right bundles of motile cilia are visible just like the eyespots and some nuclei of the brain cells. |
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| Squatinella mutica mutica, same specimen from (3), two more optical cross-sections through the head, focus plane more dorsal showing the base (upper image) and the tip (lower image) of the dorsal antenna. In the lower image the sensory cilia of the dorsal antenna are visible as well. |
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| Squatinella mutica mutica, specimen from (3), images showing left (upper image) and right (lower image) lateral antenna. |
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| Squatinella mutica mutica, dorsoventral view. The posterior end of the lorica is rounded. (1) |
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| Location: Gevelsberg, Grünes Klassenzimmer, Teich; (1); (2); Simmelried near Konstanz, Germany (3;4) |
| Habitat: periphyton, detritus (1); (2); Detritus (3;4) |
| Date: 06.04.2005 (1); 26.01.2016 (2); 06.10.2017 (4); 07.10.2017 (3) |
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