A late surviving xenopod (Arthropoda) from the Ordovican Period, Wales
- Author
- David A. Legg and Thomas Wong Hearing (UGent)
- Organization
- Abstract
- The Middle Ordovician Llanfallteg Formation has yielded remains of soft-bodied organisms previously known only from Cambrian Burgess Shale-type deposits. A new arthropod Etania howellsorum gen. et sp. nov. is described here, characterized by a semi-circular cephalon, clusters of spinose endites on the endopod and exopods with ovoid distal lobes. These characters are consistent with xenopod affinities, a clade otherwise known exclusively from the Cambrian Period. The discovery of E. howellsorum demonstrates that a number of Burgess Shale-type taxa, including xenopods, survived past the Cambrian Period (albeit within a restricted environment) and may have been outcompeted during the Great Ordovician Biodiversification Event (GOBE).
- Keywords
- Cambrian, Ordovician, Palaeozoic fauna, exceptional preservation, Emeraldella, Sidneyia, Vicissicaudata, Cambrian fauna, Palaeozoic fauna, BURGESS SHALE, CHENGJIANG-LAGERSTATTE, CAMBRIAN ARTHROPOD, FOSSIL RECORD, EMERALDELLA, CHELICERATE, PHYLOGENY, SIDNEYIA, BIOTAS, ORIGIN
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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-8695456
- MLA
- Legg, David A., and Thomas Wong Hearing. “A Late Surviving Xenopod (Arthropoda) from the Ordovican Period, Wales.” GEOLOGICAL MAGAZINE, vol. 152, no. 5, 2015, pp. 942–48, doi:10.1017/S001675681400065X.
- APA
- Legg, D. A., & Wong Hearing, T. (2015). A late surviving xenopod (Arthropoda) from the Ordovican Period, Wales. GEOLOGICAL MAGAZINE, 152(5), 942–948. https://doi.org/10.1017/S001675681400065X
- Chicago author-date
- Legg, David A., and Thomas Wong Hearing. 2015. “A Late Surviving Xenopod (Arthropoda) from the Ordovican Period, Wales.” GEOLOGICAL MAGAZINE 152 (5): 942–48. https://doi.org/10.1017/S001675681400065X.
- Chicago author-date (all authors)
- Legg, David A., and Thomas Wong Hearing. 2015. “A Late Surviving Xenopod (Arthropoda) from the Ordovican Period, Wales.” GEOLOGICAL MAGAZINE 152 (5): 942–948. doi:10.1017/S001675681400065X.
- Vancouver
- 1.Legg DA, Wong Hearing T. A late surviving xenopod (Arthropoda) from the Ordovican Period, Wales. GEOLOGICAL MAGAZINE. 2015;152(5):942–8.
- IEEE
- [1]D. A. Legg and T. Wong Hearing, “A late surviving xenopod (Arthropoda) from the Ordovican Period, Wales,” GEOLOGICAL MAGAZINE, vol. 152, no. 5, pp. 942–948, 2015.
@article{8695456,
abstract = {{The Middle Ordovician Llanfallteg Formation has yielded remains of soft-bodied organisms previously known only from Cambrian Burgess Shale-type deposits. A new arthropod Etania howellsorum gen. et sp. nov. is described here, characterized by a semi-circular cephalon, clusters of spinose endites on the endopod and exopods with ovoid distal lobes. These characters are consistent with xenopod affinities, a clade otherwise known exclusively from the Cambrian Period. The discovery of E. howellsorum demonstrates that a number of Burgess Shale-type taxa, including xenopods, survived past the Cambrian Period (albeit within a restricted environment) and may have been outcompeted during the Great Ordovician Biodiversification Event (GOBE).}},
author = {{Legg, David A. and Wong Hearing, Thomas}},
issn = {{0016-7568}},
journal = {{GEOLOGICAL MAGAZINE}},
keywords = {{Cambrian,Ordovician,Palaeozoic fauna,exceptional preservation,Emeraldella,Sidneyia,Vicissicaudata,Cambrian fauna,Palaeozoic fauna,BURGESS SHALE,CHENGJIANG-LAGERSTATTE,CAMBRIAN ARTHROPOD,FOSSIL RECORD,EMERALDELLA,CHELICERATE,PHYLOGENY,SIDNEYIA,BIOTAS,ORIGIN}},
language = {{eng}},
number = {{5}},
pages = {{942--948}},
title = {{A late surviving xenopod (Arthropoda) from the Ordovican Period, Wales}},
url = {{http://doi.org/10.1017/S001675681400065X}},
volume = {{152}},
year = {{2015}},
}
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