New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]
Por um escritor misterioso
Last updated 31 julho 2024
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2018/5653/1/fig-7-full.png)
Background Kinorhynchs are marine, microscopic invertebrates inhabiting the seafloors. Their segmented trunk equipped with spines and processes has inspired scientists to give them the common name “mud dragons.” Even though kinorhynchs have been known since the 19th century, less than 300 species are known to science, and it is still considered a largely understudied animal group—in particular in the Arctic, from which only 23 species are known so far. Methods Samples were collected at eight stations around Svalbard and in the fjords of Spitsbergen. Meiofauna was extracted from the sediment cores with LUDOX centrifugation method, and kinorhynchs were picked up and mounted for light- and scanning electron microscopy. Results Four new species of the kinorhynch family Pycnophyidae are described from Svalbard: Cristaphyes dordaidelosensis sp. nov., C. glaurung sp. nov., C. scatha sp. nov., and Pycnophyes ancalagon sp. nov. The new species are generally recognized by their distribution of setae along the trunk segments. Discussion After the discovery of the new species, Pycnophyidae becomes with 14 species the most diverse kinorhynch genus in the Arctic, closely followed by Echinoderidae with 13 species. So far, these are the only kinorhynch families with an Arctic distribution.
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://d3i71xaburhd42.cloudfront.net/ae7d2372535fce7265da666ded8cc694a51692a4/28-Table7-1.png)
PDF] New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae)
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs13127-020-00447-y/MediaObjects/13127_2020_447_Fig4_HTML.jpg)
Insights into mud dragon morphology (Kinorhyncha, Allomalorhagida): myoanatomy and neuroanatomy of Dracoderes abei and Pycnophyes ilyocryptus
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://edu-arctic.pl/images/6jpg-1.jpg)
Spitsbergen full of… new animal species - Edu Arctic
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://ars.els-cdn.com/content/image/1-s2.0-S0044523122000869-gr2.jpg)
Taxonomy, genetic diversity, and phylogeny of the Antarctic mud dragon, Polacanthoderes (Kinorhyncha: Echinorhagata: Echinoderidae) - ScienceDirect
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://d3i71xaburhd42.cloudfront.net/ae7d2372535fce7265da666ded8cc694a51692a4/19-Table5-1.png)
PDF] New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae)
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12526-022-01279-z/MediaObjects/12526_2022_1279_Fig5_HTML.png)
Diversity and distribution of Kinorhyncha in abyssal polymetallic nodule areas of the Clarion-Clipperton Fracture Zone and the Peru Basin, East Pacific Ocean, with the description of three new species and notes on
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://edu-arctic.pl/images/8jpg.jpg)
Spitsbergen full of… new animal species - Edu Arctic
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://edu-arctic.pl/images/1jpg.jpg)
Spitsbergen full of… new animal species - Edu Arctic
![New mud dragons from Svalbard: three new species of Cristaphyes and the first Arctic species of Pycnophyes (Kinorhyncha: Allomalorhagida: Pycnophyidae) [PeerJ]](https://d3i71xaburhd42.cloudfront.net/2e2f4a1c22e9361ceac71435d81873a8add2682f/34-Table4-1.png)
PDF] The Atlantic Barrier Reef Ecosystem at Carrie Bow Cay, Belize, II. Kinorhyncha
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