The order Strabopida contains three valid genera and one doubtful, Khankaspis, Paleomerus, Parapaleomerus and Strabops, all assigned in the family Strabopidae.[2] Previously, it also contained the genera Caryon, Lemoneites and Neostrabops, but after a study, they were reassigned as a trilobite, a glyptocystitid echinoderm and a cheloniellid arthropod, respectively.[2]
Paleomeridae was also previously included as a family, but after the discovery of a fourth Paleomerusspecimen and its study, Paleomeridae was synonymized into Strabopidae.[3] Although often suggested to be closely related to aglaspidids due to their similar morphology, their exact phylogenetic placement is uncertain due to the poor preservation of all known strabopids. A 2013 attempt to place them in a phylogenetic analysis recovered them as part of a polytomy with megacheirans, marrellomorphs, crustaceans and artiopodans.[1] Still, strabopids are often classified as part of the clade Arachnomorpha.[3] In fact, Dunlop & Selden (1998) defined Paleomerus as "perhaps the best model of a primitive arachnomorph".[4]
Referencesedit
^ abOrtega-Hernández, Javier; Legg, David A.; Braddy, Simon J. (February 2013). "The phylogeny of aglaspidid arthropods and the internal relationships within Artiopoda". Cladistics. 29 (1): 15–45. doi:10.1111/j.1096-0031.2012.00413.x. PMID 34814371.
^ abJavier Ortega-Hernández; Simon J. Braddy; Štěpán Rak (9 March 2010). "Trilobite and xiphosuran affinities for putative aglaspidid arthropods Caryon and Drabovaspis, Upper Ordovician, Czech Republic". Lethaia. 43 (3): 427–431. Bibcode:2010Letha..43..427O. doi:10.1111/j.1502-3931.2010.00216.x.
^ abO. Erik Tetlie; Rachel A. Moore (2004). "A new specimen of Paleomerus hamiltoni (Arthropoda; Arachnomorpha)". Transactions of the Royal Society of Edinburgh: Earth Sciences. 94 (3): 195–198. CiteSeerX10.1.1.717.1248. doi:10.1017/S0263593300000602. S2CID 129086749.
^Dunlop, J. A.; Selden, Paul A. (1998). "The early history and phylogeny of the chelicerates". Arthropod Relationships. Vol. 55. p. 229. doi:10.1007/978-94-011-4904-4_17. ISBN978-94-010-6057-8. {{cite book}}: |journal= ignored (help)
This prehistoric arthropod-related article is a stub. You can help Wikipedia by expanding it.
strabopidae, only, family, order, strabopida, extinct, group, arthropods, known, from, cambrian, period, temporal, range, cambrian, preꞒ, fossil, strabops, thacheri, scientific, classification, kingdom, animalia, phylum, arthropoda, unranked, arachnomorpha, or. Strabopidae is the only family of the order Strabopida an extinct group of arthropods known from the Cambrian period 1 StrabopidaeTemporal range Cambrian PreꞒ Ꞓ O S D C P T J K Pg N Fossil of Strabops thacheri Scientific classification Kingdom Animalia Phylum Arthropoda unranked Arachnomorpha Order StrabopidaHou amp Bergstrom 1997 Family StrabopidaeGerhardt 1932 Type species Strabops thacheriBeecher 1901 Genera Khankaspis Paleomerus Parapaleomerus Strabops The order Strabopida contains three valid genera and one doubtful Khankaspis Paleomerus Parapaleomerus and Strabops all assigned in the family Strabopidae 2 Previously it also contained the genera Caryon Lemoneites and Neostrabops but after a study they were reassigned as a trilobite a glyptocystitid echinoderm and a cheloniellid arthropod respectively 2 Paleomeridae was also previously included as a family but after the discovery of a fourth Paleomerus specimen and its study Paleomeridae was synonymized into Strabopidae 3 Although often suggested to be closely related to aglaspidids due to their similar morphology their exact phylogenetic placement is uncertain due to the poor preservation of all known strabopids A 2013 attempt to place them in a phylogenetic analysis recovered them as part of a polytomy with megacheirans marrellomorphs crustaceans and artiopodans 1 Still strabopids are often classified as part of the clade Arachnomorpha 3 In fact Dunlop amp Selden 1998 defined Paleomerus as perhaps the best model of a primitive arachnomorph 4 References edit a b Ortega Hernandez Javier Legg David A Braddy Simon J February 2013 The phylogeny of aglaspidid arthropods and the internal relationships within Artiopoda Cladistics 29 1 15 45 doi 10 1111 j 1096 0031 2012 00413 x PMID 34814371 a b Javier Ortega Hernandez Simon J Braddy Stepan Rak 9 March 2010 Trilobite and xiphosuran affinities for putative aglaspidid arthropods Caryon and Drabovaspis Upper Ordovician Czech Republic Lethaia 43 3 427 431 Bibcode 2010Letha 43 427O doi 10 1111 j 1502 3931 2010 00216 x a b O Erik Tetlie Rachel A Moore 2004 A new specimen of Paleomerus hamiltoni Arthropoda Arachnomorpha Transactions of the Royal Society of Edinburgh Earth Sciences 94 3 195 198 CiteSeerX 10 1 1 717 1248 doi 10 1017 S0263593300000602 S2CID 129086749 Dunlop J A Selden Paul A 1998 The early history and phylogeny of the chelicerates Arthropod Relationships Vol 55 p 229 doi 10 1007 978 94 011 4904 4 17 ISBN 978 94 010 6057 8 a href Template Cite book html title Template Cite book cite book a journal ignored help nbsp This prehistoric arthropod related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Strabopidae amp oldid 1214967814, wikipedia, wiki, book, books, library,
