Archaeopriapulida is a group of priapulid worms known from Cambrian lagerstätte.[3] The group is closely related to, and very similar to, the modern Priapulids.[4] It is unclear whether it is mono- or polyphyletic.[5] Despite a remarkable morphological similarity to their modern cousins,[6] they fall outside of the priapulid crown group, which is not unambiguously represented in the fossil record until the Carboniferous.[7] In addition to well-preserved body fossils, remains of several archaeopriapulid taxa are known to have been preserved primarily as organic microfossils, such as isolated scalids and pharyngeal teeth.[8][9][10] They are probably closely related or paraphyletic to the palaeoscolecids; the relationship between these basal worms is somewhat unresolved.[5]

Archaeopriapulida
Temporal range: Cambrian Stage 3–Middle Cambrian
Reconstruction of the archaeopriapulid Ottoia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Stem group: Priapulida (?)
Class: Archaeopriapulida
Species[1][2]

See text

Species

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References

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  1. ^ Smith, M. R.; Harvey, T. H. P.; Butterfield, N. J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia" (PDF). Palaeontology. 58 (4): 705–721. doi:10.1111/pala.12168. S2CID 55337080.705-721&rft.date=2015&rft_id=info:doi/10.1111/pala.12168&rft_id=https://api.semanticscholar.org/CorpusID:55337080#id-name=S2CID&rft.aulast=Smith&rft.aufirst=M. R.&rft.au=Harvey, T. H. P.&rft.au=Butterfield, N. J.&rft_id=http://dro.dur.ac.uk/18218/1/18218.pdf&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  2. ^ Supplementary information from Smith, M.R.; Harvey, T.H.P.; Butterfield, N.J. (2015). "The macro- and microfossil record of the Cambrian priapulid Ottoia" (PDF). Palaeontology. 58 (4): 705–721. doi:10.1111/pala.12168. S2CID 55337080.705-721&rft.date=2015&rft_id=info:doi/10.1111/pala.12168&rft_id=https://api.semanticscholar.org/CorpusID:55337080#id-name=S2CID&rft.aulast=Smith&rft.aufirst=M.R.&rft.au=Harvey, T.H.P.&rft.au=Butterfield, N.J.&rft_id=http://dro.dur.ac.uk/18218/1/18218.pdf&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  3. ^ Conway Morris, S. (1979). "The Burgess Shale (Middle Cambrian) Fauna". Annual Review of Ecology and Systematics. 10: 327–349. doi:10.1146/annurev.es.10.110179.001551.327-349&rft.date=1979&rft_id=info:doi/10.1146/annurev.es.10.110179.001551&rft.aulast=Conway Morris&rft.aufirst=S.&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  4. ^ Por, F. D. (1983). "Class Seticoronaria and Phylogeny of the Phylum Priapulida". Zoologica Scripta. 12 (4): 267–272. doi:10.1111/j.1463-6409.1983.tb00510.x. S2CID 85091685.267-272&rft.date=1983&rft_id=info:doi/10.1111/j.1463-6409.1983.tb00510.x&rft_id=https://api.semanticscholar.org/CorpusID:85091685#id-name=S2CID&rft.aulast=Por&rft.aufirst=F. D.&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  5. ^ a b Wills, M. A. (1 April 1998). "Cambrian and Recent Disparity: the Picture from Priapulids". Paleobiology. 24 (2): 177–199. doi:10.1666/0094-8373(1998)024[0177:CARDTP]2.3.CO;2. JSTOR 2401237. S2CID 88647544.177-199&rft.date=1998-04-01&rft_id=https://api.semanticscholar.org/CorpusID:88647544#id-name=S2CID&rft_id=https://www.jstor.org/stable/2401237#id-name=JSTOR&rft_id=info:doi/10.1666/0094-8373(1998)024[0177:CARDTP]2.3.CO;2&rft.aulast=Wills&rft.aufirst=M. A.&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  6. ^ a b c d e f Huang, D.-Y.; Vannier, J.; Chen, J.-Y. (2004). "Anatomy and lifestyles of Early Cambrian priapulid worms exemplified by Corynetis and Anningvermis from the Maotianshan Shale (SW China)". Lethaia. 37: 21–33. doi:10.1080/00241160410005088.21-33&rft.date=2004&rft_id=info:doi/10.1080/00241160410005088&rft.aulast=Huang&rft.aufirst=D.-Y.&rft.au=Vannier, J.&rft.au=Chen, J.-Y.&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  7. ^ Budd, G. E.; Jensen, S. (2000). "A critical reappraisal of the fossil record of the bilaterian phyla". Biological Reviews of the Cambridge Philosophical Society. 75 (2): 253–95. doi:10.1111/j.1469-185X.1999.tb00046.x. PMID 10881389. S2CID 39772232.253-95&rft.date=2000&rft_id=https://api.semanticscholar.org/CorpusID:39772232#id-name=S2CID&rft_id=info:pmid/10881389&rft_id=info:doi/10.1111/j.1469-185X.1999.tb00046.x&rft.aulast=Budd&rft.aufirst=G. E.&rft.au=Jensen, S.&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  8. ^ Slater, Ben J.; Harvey, Thomas H. P.; Guilbaud, Romain; Butterfield, Nicholas J. (January 2017). Rahman, Imran (ed.). "A cryptic record of Burgess Shale-type diversity from the early Cambrian of Baltica". Palaeontology. 60 (1): 117–140. doi:10.1111/pala.12273. hdl:2381/38663.117-140&rft.date=2017-01&rft_id=info:hdl/2381/38663&rft_id=info:doi/10.1111/pala.12273&rft.aulast=Slater&rft.aufirst=Ben J.&rft.au=Harvey, Thomas H. P.&rft.au=Guilbaud, Romain&rft.au=Butterfield, Nicholas J.&rft_id=https://onlinelibrary.wiley.com/doi/10.1111/pala.12273&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  9. ^ Smith, Martin R.; Harvey, Thomas H. P.; Butterfield, Nicholas J. (July 2015). Kouchinsky, Artem (ed.). "The macro‐ and microfossil record of the Cambrian priapulid Ottoia". Palaeontology. 58 (4): 705–721. doi:10.1111/pala.12168. ISSN 0031-0239.705-721&rft.date=2015-07&rft_id=info:doi/10.1111/pala.12168&rft.issn=0031-0239&rft.aulast=Smith&rft.aufirst=Martin R.&rft.au=Harvey, Thomas H. P.&rft.au=Butterfield, Nicholas J.&rft_id=https://onlinelibrary.wiley.com/doi/10.1111/pala.12168&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
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  11. ^ Schmidt-Rhaesa, Andreas (2012-12-21). Nematomorpha, Priapulida, Kinorhyncha, Loricifera. ISBN 9783110272536.
  12. ^ Liu, Y.; Xiao, S.; Shao, T.; Broce, J.; Zhang, H. (2014). "The oldest known priapulid-like scalidophoran animal and its implications for the early evolution of cycloneuralians and ecdysozoans". Evolution & Development. 16 (3): 155–65. doi:10.1111/ede.12076. PMID 24754444. S2CID 205095219.155-65&rft.date=2014&rft_id=https://api.semanticscholar.org/CorpusID:205095219#id-name=S2CID&rft_id=info:pmid/24754444&rft_id=info:doi/10.1111/ede.12076&rft.aulast=Liu&rft.aufirst=Y.&rft.au=Xiao, S.&rft.au=Shao, T.&rft.au=Broce, J.&rft.au=Zhang, H.&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  13. ^ a b Ma, X.; Aldridge, R. J.; Siveter, D. J.; Siveter, D. J.; Hou, X.; Edgecombe, G. D. (2014). "A New Exceptionally Preserved Cambrian Priapulid from the Chengjiang Lagerstätte". Journal of Paleontology. 88 (2): 371. doi:10.1666/13-082. S2CID 85627132.
  14. ^ Han, J.; Zhang, X.; Zhang, Z.; Shu, D. (2006). "A new theca-bearing Early Cambrian worm from the Chengjiang Fossil Lagerstätte, China". Alcheringa: An Australasian Journal of Palaeontology. 30: 1–10. doi:10.1080/03115510608619340. S2CID 84288209.1-10&rft.date=2006&rft_id=info:doi/10.1080/03115510608619340&rft_id=https://api.semanticscholar.org/CorpusID:84288209#id-name=S2CID&rft.aulast=Han&rft.aufirst=J.&rft.au=Zhang, X.&rft.au=Zhang, Z.&rft.au=Shu, D.&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  15. ^ Peel, John S. (2017). "Feeding behaviour of a new worm (Priapulida) from the Sirius Passet Lagerstätte (Cambrian Series 2, Stage 3) of North Greenland (Laurentia)". Palaeontology. 60 (6): 795–805. doi:10.1111/pala.12316. S2CID 134180194.795-805&rft.date=2017&rft_id=info:doi/10.1111/pala.12316&rft_id=https://api.semanticscholar.org/CorpusID:134180194#id-name=S2CID&rft.aulast=Peel&rft.aufirst=John S.&rft_id=https://doi.org/10.1111%2Fpala.12316&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
  16. ^ Peel, John S; Willman, Sebastian (2018). "The Buen Formation (Cambrian Series 2) biota of North Greenland". Papers in Palaeontology. 4 (3): 381–432. doi:10.1002/spp2.1112. S2CID 134539597.381-432&rft.date=2018&rft_id=info:doi/10.1002/spp2.1112&rft_id=https://api.semanticscholar.org/CorpusID:134539597#id-name=S2CID&rft.aulast=Peel&rft.aufirst=John S&rft.au=Willman, Sebastian&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">
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  18. ^ Huang, D.; Vannier, J.; Chen, J. (2004). "Recent Priapulidae and their Early Cambrian ancestors: Comparisons and evolutionary significance". Geobios. 37 (2): 217. doi:10.1016/j.geobios.2003.04.004.
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  20. ^ Zeng, H.; Zhao, F.; Yin, Z.; Li, G.; Zhu, M. (2014). "A Chengjiang-type fossil assemblage from the Hongjingshao Formation (Cambrian Stage 3) at Chenggong, Kunming, Yunnan". Chinese Science Bulletin. 59 (25): 3169. Bibcode:2014ChSBu..59.3169Z. doi:10.1007/s11434-014-0419-y. S2CID 128863728.
  21. ^ (Chengjiang deposits)Han, J.; Zhang, Z.; Liu, J.; Shu, D. (2007). "Evidence of Priapulid Scavenging from the Early Cambrian Chengjiang Deposits, Southern China". PALAIOS. 22 (6): 691–694. Bibcode:2007Palai..22..691H. doi:10.2110/palo.2006.p06-117r. ISSN 0883-1351. S2CID 86584623.691-694&rft.date=2007&rft_id=info:doi/10.2110/palo.2006.p06-117r&rft_id=https://api.semanticscholar.org/CorpusID:86584623#id-name=S2CID&rft.issn=0883-1351&rft_id=info:bibcode/2007Palai..22..691H&rft.aulast=Han&rft.aufirst=J.&rft.au=Zhang, Z.&rft.au=Liu, J.&rft.au=Shu, D.&rft_id=http://intl-palaios.geoscienceworld.org/content/22/6/691.full&rfr_id=info:sid/en.wikipedia.org:Archaeopriapulida" class="Z3988">[permanent dead link]
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