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DeMilio E, Tumanov D V, Lawton C, Kristensen R M, Hansen J G. Two new Bryodelphax Thulin, 1928 species (Heterotardigrada: Echiniscidae) from the Republic of Ireland with comments on the ‘weglarskae group’ and other heterotardigrade taxa, including the controversial genus Bryochoerus Marcus,1936. JAD. 2022; 4 (2) :1-52
URL: http://jad.lu.ac.ir/article-1-210-en.html
1- Zoology, School of Natural Sciences, Ryan Institute, National University of Ireland Galway, Galway, Ireland , erica.demilio@gmail.com
2- Independent researcher
3- Zoology, School of Natural Sciences, Ryan Institute, National University of Ireland Galway, Galway, Ireland
4- Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
Abstract:   (2279 Views)
Two new heterotardigrade (Tardigrada) species, Bryodelphax pucapetricolus sp. nov. and Bryodelphax wallacearthuri sp. nov., are described from moss associated with limestone pavement in the Republic of Ireland. The species description process for these two taxa initiated a more detailed exploration of several morphological characters of importance in Bryodelphax Thulin including cuticular sculpture elements and ventral plate morphology. Division of the third dorsal median plate in the context of the genera Bryochoerus Marcus and Bryodelphax is further discussed. We recommend minor emendations to the generic diagnoses of Bryochoerus and Bryodelphax. Also, we emend the species diagnoses of Bryodelphax aaseae Kristensen, Michalczyk and Kaczmarek and Bryodelphax parvuspolaris Kaczmarek, Zawierucha, Smykla and Michalczyk, record the genus Parechiniscus Cuénot from the Republic of Ireland for the first time, and make suggestions relevant to the taxonomy of limnoterrestrial heterotardigrades.
Full-Text [PDF 31948 kb]   (590 Downloads)    
Type of Study: Original Research Article | Subject: Species Diversity
Received: 2022/03/24 | Accepted: 2022/06/5 | Published: 2022/06/30

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