A new species of Uronychia (Spirotrichea: Euplotida) from Argentina |
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| Affiliation: | 1. Department of Biological and Environmental Sciences, Troy University, Troy, AL 36082, USA;2. College of Marine Science, University of South Florida, St. Petersburg, FL 33701, USA;1. Ookusa Animal Clinic, Ookusa 503, Matsue, Shimane 690-0032, Japan;2. Dian Fossey Gorilla Fund International, Atlanta, USA;3. Department of Environmental Sciences and Environmental Health, Emory University and Rollins School of Public Health, Atlanta, USA;4. Laboratory of Veterinary Parasitology, Nippon Veterinary and Life Science University, Tokyo, Japan;1. División Invertebrados, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Buenos Aires, Argentina;2. Laboratório de Protistologia, Instituto de Biologia, Departamento de Zoologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil;3. Laboratório de Biologia Molecular “Francisco Mauro Salzano”, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brazil;4. Instituto de Limnología “Dr. R. A. Ringuelet”, La Plata, Buenos Aires, Argentina;1. Shanghai Universities Key Laboratory of Marine Animal Taxonomy and Evolution, Shanghai Ocean University; Key Laborotory of Exploration and Utilization of Aquatic Genetic Resources; National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai 201306, China;2. Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China;3. Institute of Evolution & Marine Biodiversity, Key Laboratory of Mariculture of the Education Ministry of China, Ocean University of China, Qingdao 266003, China;4. Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;1. Institute of Evolution and Marine Biodiversity and Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China;2. School of Life Sciences, East China Normal University, Shanghai 200241, China;3. Marine College, Shandong University, Weihai 264209, China;4. Department of Life Sciences, Natural History Museum, London SW7 5BD, UK |
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| Abstract: | Uronychia clapsae sp. n. was discovered in an artificial channel that drains an endorheic area from the “sandy Pampa” into the upper basin of Salado River, Buenos Aires, Argentina. This euplotid measures 56–112 μm × 42–70 μm in vivo, is oval in shape and the buccal field is enormous, occupying ca. 80% of body length. It is characterized by having two macronuclear nodules and one micronucleus; usually 10 anterior and invariably three posterior membranelles; right end of paroral hook-like; buccal cirrus base about 3.5–6.0 μm long; invariably four frontal, two ventral, three left marginal, four transverse, and three caudal cirri; six dorsal kineties, kinety 1 with 15–22 dikinetids. Most Uronychia species were recorded in marine habitats, while this new isolate was found in a slightly saline, inland water body. Taxonomic and nomenclatorial concerns on some species assigned to Uronychia are also discussed. |
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| Keywords: | Ciliophora Morphology |
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