The morphology and SSU rRNA gene sequence analysis of a poorly-known brackish water ciliate, Pinacocoleps tesselatus (Kahl, 1930) (Ciliophora, Colepidae) from Hangzhou Bay, China Author Lu, Borong Author Huang, Jie Author Chen, Xiangrui text Zootaxa 2013 3637 2 123 130 journal article 10.11646/zootaxa.3637.2.3 cf677e77-8f9e-4589-9b54-336693d1f2fd 1175-5326 223944 E52CB032-BE68-4D07-8B8B-DB8F576D032F Key to known Pinacocoleps species 1. Amour plates with very weak windows.................................................................... 2 - Amour plates without windows........................................................................... 3 2. Body shape rectangular, and laterally flattened.................................................... .. P. a re n a r i u s - Body shape long oval-shaped, circular in cross-section............................................... P. tesselatus 3. The longitudinal rows of plates arranged in spiral torsion............................................... P. spiralis - The longitudinal rows of plates arranged in straight line.......................................................4 4. Shape of left margin smooth............................................................................. 5 - Shape of left margin serrated or crenellated................................................................. 6 5. About 15 longitudinal ciliary rows.................................................................. P. similis - About 22 longitudinal ciliary rows............................................................ P. heteracanthus 6. Body shape curved cylindrical, about 10–11 longitudinal ciliary rows..................................... P. incurvus - Body shape long oval-shaped, about 20–22 longitudinal ciliary rows...................................... P. pulcher