000462239 001__ 462239 000462239 005__ 20250724175601.0 000462239 0247_ $$2doi$$a10.1636/JoA-S-20-017 000462239 0247_ $$2ISSN$$a0160-8202 000462239 0247_ $$2ISSN$$a0161-8202 000462239 0247_ $$2ISSN$$a1937-2396 000462239 0247_ $$2datacite_doi$$a10.3204/PUBDB-2021-03301 000462239 0247_ $$2altmetric$$aaltmetric:101022674 000462239 0247_ $$2WOS$$aWOS:000621530900012 000462239 0247_ $$2openalex$$aopenalex:W3132998802 000462239 037__ $$aPUBDB-2021-03301 000462239 041__ $$aEnglish 000462239 082__ $$a590 000462239 1001_ $$aWriedt, Anna-Louisa$$b0 000462239 245__ $$aThe second chthonioid pseudoscorpion (Pseudoscorpiones: Chthoniidae) from mid-Cretaceous Burmese amber: a new genus with unique morphological features and potential Gondwanan affinities 000462239 260__ $$aNew York, NY$$bAAS$$c2021 000462239 3367_ $$2DRIVER$$aarticle 000462239 3367_ $$2DataCite$$aOutput Types/Journal article 000462239 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1631524548_19960 000462239 3367_ $$2BibTeX$$aARTICLE 000462239 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000462239 3367_ $$00$$2EndNote$$aJournal Article 000462239 500__ $$aWaiting for fulltext 000462239 520__ $$aPseudoscorpions are amongst the oldest terrestrial lineages but there is a major gap in the fossil record between the oldest fossils from the Devonian (ca. 385 million years ago) and rich fossil communities in amber that mostly originate from the Eocene of Europe. Burmese/Myanmar amber (or Burmite) from the middle Cretaceous preserves a diverse community of pseudoscorpions but these remain poorly documented, despite their exceptional preservation and potential to offer unique insights into evolutionary history. Here we describe a new genus and species of pseudoscorpion with a unique morphology of the chelicerae, Prionochthonius burmiticus gen. et sp. nov., from Burmese amber. Although some key characters remain obscure, the fossil can be confidently attributed to the basal pseudoscorpion family Chthoniidae, but it cannot be assigned to any extant or other fossil genus. Based on trichobothria patterns, it is most similar to extant genera that are found only in the Southern Hemisphere; findings that are in line with previous studies suggesting Gondwanan origins for at least some of the Burmese amber invertebrates. The fossil provides further evidence for a diverse community of litter- and soil-dwelling pseudoscorpions in the Late Cretaceous that comprises many extinct genera but represents many of the modern families. It also suggests that the diversification of chthoniid pseudoscorpions occurred well before the middle Cretaceous, and that the principle gestalt of its members has changed relatively little over time. 000462239 536__ $$0G:(DE-HGF)POF4-6G3$$a6G3 - PETRA III (DESY) (POF4-6G3)$$cPOF4-6G3$$fPOF IV$$x0 000462239 588__ $$aDataset connected to CrossRef, Journals: bib-pubdb1.desy.de 000462239 693__ $$0EXP:(DE-H253)P-P05-20150101$$1EXP:(DE-H253)PETRAIII-20150101$$6EXP:(DE-H253)P-P05-20150101$$aPETRA III$$fPETRA Beamline P05$$x0 000462239 7001_ $$aHarvey, Mark S.$$b1 000462239 7001_ $$0P:(DE-H253)PIP1008646$$aHammel, Jörg U.$$b2 000462239 7001_ $$0P:(DE-H253)PIP1031620$$aKotthoff, Ulrich$$b3 000462239 7001_ $$0P:(DE-H253)PIP1031640$$aHarms, Danilo$$b4$$eCorresponding author 000462239 773__ $$0PERI:(DE-600)2092946-8$$a10.1636/JoA-S-20-017$$gVol. 48, no. 3$$n3$$p311 - 321$$tThe Journal of arachnology$$v48$$x0161-8202$$y2021 000462239 8564_ $$uhttps://bib-pubdb1.desy.de/record/462239/files/Wriedt_et_al_JoA_2021.pdf$$yPublished on 2021-02-23. 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