Lygdamis Kinberg, 1867
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publication ID |
https://doi.org/ 10.5852/ejt.2022.831.1873 |
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publication LSID |
lsid:zoobank.org:pub:5DC33033-8588-463F-9AAE-2BC49560BE1D |
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DOI |
https://doi.org/10.5281/zenodo.6885894 |
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persistent identifier |
https://treatment.plazi.org/id/03B2EE18-FFF8-FFA7-2634-7019ED2807F6 |
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treatment provided by |
Felipe |
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scientific name |
Lygdamis Kinberg, 1867 |
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Genus Lygdamis Kinberg, 1867 View in CoL
Type species
Lygdamis indicus Kinberg, 1867 View in CoL ; by monotypy.
Diagnosis
Operculum completely divided into two free lobes. Two rows of opercular paleae. Outer paleae arranged in semicircles, with straight or slightly curved, cylindrical blades and smooth or serrated margins. Inner paleae arranged in one row along inner margin of opercular lobes with straight and cylindrical blades. One pair of nuchal hooks without limbation. Multiple tentacular filaments (compound). Median ridge with lateral eyespots. Median organ cylindrical, tip truncate or tapered. Four parathoracic segments ( Kirtley 1994; Capa & Hutchings 2019).
Key to species of Lygdamis Kinberg, 1867 View in CoL from the Caribbean Sea
1. Outer paleae with smooth margins and conical slightly bent, sharp tips; inner paleae with smooth margins ....................................... L. rayrobertsi Kirtley, 1994 View in CoL . Palm Beach, Florida, 62–73 m depth
– Outer paleae with serrated margins and flattened sharp tips; inner paleae with faintly serrate margins, blunt tips ................................................................................ L. pechi View in CoL sp. nov. Veracruz, 47 m depth
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