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IRMNG taxon details

Pseudoniscidae Packard, 1886 †

100961  (urn:lsid:irmng.org:taxname:100961)

accepted
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marine
fossil only
Not documented
Taxonomic remark Previously allocated to Xiphosura, however appear to be a sister taxon to that group. Lamsdell, 2012 states: Xiphosura...  
Taxonomic remark Previously allocated to Xiphosura, however appear to be a sister taxon to that group. Lamsdell, 2012 states: Xiphosura sensu stricto is itself the sister group to a clade named Planaterga nom. nov. consisting of bunodids, pseudoniscids, chasmataspidids, eurypterids, and arachnids ... At present there is not enough data to indicate whether pseudoniscids and bunodids form a paraphyletic grade leading to Dekatriata nom. nov. [=Chasmataspidids, eurypterids and arachnids] or if they are themselves a diverse and previously unrecognized order of chelicerates. [details]
IRMNG (2023). Pseudoniscidae Packard, 1886 †. Accessed at: https://www.irmng.org/aphia.php?p=taxdetails&id=100961 on 2024-02-25
Date
action
by
2006-11-20 23:00:00Z
created
2012-01-19 23:00:00Z
changed
2023-10-31 17:38:58Z
changed

basis of record Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp.  [details]   

taxonomy source Lamsdell, J. C. (2012). Revised systematics of Palaeozoic 'horseshoe crabs' and the myth of monophyletic Xiphosura. <em>Zoological Journal of the Linnean Society.</em> 167(1): 1-27., available online at https://doi.org/10.1111/j.1096-3642.2012.00874.x [details]   

extant flag source Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp.  [details]   

habitat flag source Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp.  [details]   
From other sources
Descriptive info Benton, 1993 habitat flag(s): M; stratigraphic range: Silurian (Llandovery)-Silurian (Pridoli) [details]

Taxonomic remark Previously allocated to Xiphosura, however appear to be a sister taxon to that group. Lamsdell, 2012 states: Xiphosura sensu stricto is itself the sister group to a clade named Planaterga nom. nov. consisting of bunodids, pseudoniscids, chasmataspidids, eurypterids, and arachnids ... At present there is not enough data to indicate whether pseudoniscids and bunodids form a paraphyletic grade leading to Dekatriata nom. nov. [=Chasmataspidids, eurypterids and arachnids] or if they are themselves a diverse and previously unrecognized order of chelicerates. [details]

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