PrirodaPrirodaПрирода0032-874XAkademizdatcenter Nauka62769310.7868/S0032874X22090022ArticlesСтатьиResearch ArticleAmazing Cyclidans — the Witnesses of the Great Extinction: Part IУдивительные циклиды — свидетели Великого пермского вымирания. Часть IMychkoE. VМычкоЭ. Вeduard.mychko@gmail.comShirshov Institute of Oceanology, Russian Academy of SciencesИнститут океанологии имени П.П.Ширшова РАНSevertsov Institute of Ecology and Evolution, Russian Academy of SciencesИнститут проблем экологии и эволюции имени А.Н.Северцова РАНBorissiak Paleontological Institute, Russian Academy of SciencesПалеонтологический институт имени А.А.Борисяка РАН300920229NO9 (2022)№9 (2022)112301032024Copyright ©; 2022, Издательство «Наука»2022Издательство «Наука»https://journals.eco-vector.com/0032-874X/article/view/627693

Cyclidans are an extinct group of crustaceans whose fossil remains are very rare in the geological record. Cyclidans are full of mysteries: it is still impossible to find their exact place on the taxonomic tree; we still know nothing about their ancestors and why they had disappeared. In total, nowadays only 54 species of these ancient animals are known — a “drop in the ocean” of the species diversity of arthropods. For a long time, cyclidans were of little interest to paleontologists. However, currently there is enough material to summarize all available data, conduct a taxonomic revision, and make cautious assumptions about their origin and evolution.

Циклиды — вымершая группа ракообразных, ископаемые остатки которых очень редки в геологической летописи. Циклиды полны загадок: до сих пор невозможно найти им точное место в системе членистоногих; неизвестно, кто мог быть их предком и почему они исчезли. Описано лишь 54 вида этих древних животных — «капля в море» видового разнообразия членистоногих. Долгое время циклиды мало интересовали палеонтологов. Сегодня же накопилось достаточно материала, чтобы его обобщить, провести таксономическую ревизию и сделать осторожные предположения об их происхождении и эволюции.

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