Rhynchotalona
Key for species of the genus Rhynchotalona 1. Rostrum short, 1.5 times or less longer than antennule. R. weiri sp. nov. North America. - Rostrum long, 2–3 times longer than antennule. 2. 2. Posteriormost ventral setae of valves long, their length exceeding the height of postabdomen, posteriormost se...
Main Authors: | , |
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Format: | Other/Unknown Material |
Language: | unknown |
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Zenodo
2014
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Subjects: | |
Online Access: | https://doi.org/10.5281/zenodo.5686241 http://treatment.plazi.org/id/039487C9FFEFFF811E8D58D3FA64FAF8 |
Summary: | Key for species of the genus Rhynchotalona 1. Rostrum short, 1.5 times or less longer than antennule. R. weiri sp. nov. North America. - Rostrum long, 2–3 times longer than antennule. 2. 2. Posteriormost ventral setae of valves long, their length exceeding the height of postabdomen, posteriormost setae being longest. R. longiseta sp. nov. North America. - Posterior ventral setae of valves short, their length much less than the height of postabdomen. 3 3. Basalmost large marginal denticle of postabdomen is located almost at postanal angle. Rostrum 2 times longer than antennule. Length less than 0.35 mm. R. kistarae Røen, 1973. Greenland. - Basalmost large marginal denticle of postabdomen is located at the middle of postanal margin. Rostrum 3 times longer than antennule. Length up to 0.6 mm. R. falcata (Sars, 1862). Europe, Kazakhstan, Siberia, Mongolia. Published as part of Sinev, Artem Y. & Kotov, Alexey A., 2014, Revision of the Holarctic genus Rhynchotalona Norman, 1903 (Anomopoda: Chydoridae), pp. 188-210 in Zootaxa 3841 (2) on page 206, DOI:10.11646/zootaxa.3841.2.2, http://zenodo.org/record/229101 |
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