Bembicosoma

Bembicosoma is a genus of synziphosurine,[1] a paraphyletic group of fossil chelicerate arthropods.[2][3] Bembicosoma was regarded as part of the clade Planaterga.[4][5][6][3][7] Fossils of the single and type species, B. pomphicus, have been discovered in deposits of the Silurian period in the Pentland Hills, Scotland (in the United Kingdom).[7][2] Bembicosoma had been tentatively assigned as an eurypterid (sea scorpion) before its synziphosurine affinities revealed.[1]

Bembicosoma
Temporal range:
Reconstruction of Bembicosoma pomphicus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Clade: Prosomapoda
Clade: Planaterga
Genus: †Bembicosoma
Laurie, 1899
Type species
†Bembicosoma pomphicus
Laurie, 1899

The prosoma of Bembicosoma covered by a short, semicircular carapace without evidence of ophthalmic ridges.[1] Within the 10-segmented opisthosoma, the first segment is nearly as wide as the carapace but reduced in length while the second segment is the largest.[1] The dorsal surfaces of both prosoma and opisthosoma covered by numerous tubercules.[1]

References
  1. Anderson, Lyall I.; Moore, Rachel A. (2003). "Bembicosoma re-examined: a xiphosuran from the Silurian of the North Esk Inlier, Pentland Hills, Scotland". Transactions of the Royal Society of Edinburgh: Earth Sciences. 94 (3): 199–206. doi:10.1017/S0263593300000614. ISSN 0263-5933. S2CID 89604861.
  2. Lamsdell, James C. (2013). "Revised systematics of Palaeozoic 'horseshoe crabs' and the myth of monophyletic Xiphosura". Zoological Journal of the Linnean Society. 167 (1): 1–27. doi:10.1111/j.1096-3642.2012.00874.x. ISSN 0024-4082.
  3. Bicknell, Russell D. C.; Pates, Stephen (2020). "Pictorial Atlas of Fossil and Extant Horseshoe Crabs, With Focus on Xiphosurida". Frontiers in Earth Science. 8: 98. Bibcode:2020FrEaS...8...98B. doi:10.3389/feart.2020.00098. ISSN 2296-6463.
  4. Selden, Paul A.; Lamsdell, James C.; Qi, Liu (2015). "An unusual euchelicerate linking horseshoe crabs and eurypterids, from the Lower Devonian (Lochkovian) of Yunnan, China". Zoologica Scripta. 44 (6): 645–652. doi:10.1111/zsc.12124. ISSN 0300-3256. S2CID 55264483.
  5. Lamsdell, James C.; Briggs, Derek E. G.; Liu, Huaibao P.; Witzke, Brian J.; McKay, Robert M. (2015). "A new Ordovician arthropod from the Winneshiek Lagerstätte of Iowa (USA) reveals the ground plan of eurypterids and chasmataspidids". The Science of Nature. 102 (9–10): 63. Bibcode:2015SciNa.102...63L. doi:10.1007/s00114-015-1312-5. ISSN 0028-1042. PMID 26391849. S2CID 8153035.
  6. Bicknell, Russell D. C.; Lustri, Lorenzo; Brougham, Tom (2019-12-01). "Revision of "Bellinurus" carteri (Chelicerata: Xiphosura) from the Late Devonian of Pennsylvania, USA". Comptes Rendus Palevol. 18 (8): 967–976. doi:10.1016/j.crpv.2019.08.002. ISSN 1631-0683.
  7. Dunlop, J. A.; Penney, D.; Jekel, D. (2020). "A summary list of fossil spiders and their relatives" (PDF). World Spider Catalog. Natural History Museum Bern. pp. 1–296.
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