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| Testudinella clypeata O.F.Mueller, 1786 |
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| Testudinella clypeata, whirling, dorsoventral view. Thies specimen is attached to a bunch of micro-algae, which may also be the diet of this species. (2) |
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| Testudinella clypeata, specimen from the same sample, optical transect, dorsoventral view. (2) |
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| Testudinella clypeata, swimming, dorsoventral view. A species with elliptical lorica that occurs preferably in brackish water. The arrowheads mark the locations of the lateral antennas. (1) |
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| Testudinella clypeata, ventral view of another specimen. Focus plane on the foot opening of the lorica and foot with terminal cilia. The arrowhead marks the constriction between the foot pseudosegments, a trait that helps to separate this species from Testudinella elliptica. (1) |
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| Testudinella clypeata,malleoramate trophi; unci with 15/15 dents. (2) |
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| Location: Hiddensee, Siel (1) |
| Habitat: on artificially exposed microslides, together with diatoms and ciliates. |
| Date: 02.10.2018 |
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