Ordovician and Silurian polychaete diversity and biogeography

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceeding

Standard

Ordovician and Silurian polychaete diversity and biogeography. / Eriksson, Mats; Hints, Olle; Paxton, Hannelore; Tonarova, Petra.

Early Palaezoic Biogeography and Palaeogeography. Geological Society of London, 2013. s. 265-272.

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceeding

Harvard

Eriksson, M, Hints, O, Paxton, H & Tonarova, P 2013, Ordovician and Silurian polychaete diversity and biogeography. i Early Palaezoic Biogeography and Palaeogeography. Geological Society of London, s. 265-272, Copenhagen, Danmark, 2013/08/31. https://doi.org/10.1144/M38.18

APA

Eriksson, M., Hints, O., Paxton, H., & Tonarova, P. (2013). Ordovician and Silurian polychaete diversity and biogeography. I Early Palaezoic Biogeography and Palaeogeography (s. 265-272). Geological Society of London. https://doi.org/10.1144/M38.18

CBE

Eriksson M, Hints O, Paxton H, Tonarova P. 2013. Ordovician and Silurian polychaete diversity and biogeography. I Early Palaezoic Biogeography and Palaeogeography. Geological Society of London. s. 265-272. https://doi.org/10.1144/M38.18

MLA

Eriksson, Mats et al. "Ordovician and Silurian polychaete diversity and biogeography". Early Palaezoic Biogeography and Palaeogeography. Geological Society of London. 2013, 265-272. https://doi.org/10.1144/M38.18

Vancouver

Eriksson M, Hints O, Paxton H, Tonarova P. Ordovician and Silurian polychaete diversity and biogeography. I Early Palaezoic Biogeography and Palaeogeography. Geological Society of London. 2013. s. 265-272 https://doi.org/10.1144/M38.18

Author

Eriksson, Mats ; Hints, Olle ; Paxton, Hannelore ; Tonarova, Petra. / Ordovician and Silurian polychaete diversity and biogeography. Early Palaezoic Biogeography and Palaeogeography. Geological Society of London, 2013. s. 265-272

RIS

TY - GEN

T1 - Ordovician and Silurian polychaete diversity and biogeography

AU - Eriksson, Mats

AU - Hints, Olle

AU - Paxton, Hannelore

AU - Tonarova, Petra

PY - 2013

Y1 - 2013

N2 - Eunicidan polychaetes formed a significant part of Early Palaeozoic marine invertebrate communities, as shown by the abundance and diversity of scolecodonts (polychaete jaws) in the fossil record. In this study we summarize the early radiation and biodiversity trends and discuss the palaeobiogeography of these fossils. The oldest (latest Cambrian-Early Ordovician) representatives had primitive, usually symmetrical, placognath/ctenognath type jaw apparatuses. The first more advanced taxa, possessing labidognath-type jaw apparatuses or placognath apparatuses with compound maxillae, are first recorded in the Middle Ordovician. The most significant increase in generic diversity occurred in the Darriwilian, when many common taxa appeared and diversified. The Ordovician and Silurian scolecodont occurrences allow some palaeobiogeographical units and distribution patterns to be explored and outlined. The most robust data presently at hand derive from successions in Baltica and Laurentia. That information, together with new records from other palaeocontinents, reveals a wide distribution for the most frequent and species-rich genera and families, similar to the biogeographical patterns of extant polychaetes. Like many other benthic and pelagic fossil groups, scolecodont-bearing polychaetes show an increased cosmopolitan character in the Silurian as compared with the Ordovician. Species-level endemism appears to be relatively common, inferring a potential for scolecodonts as biogeographical tools in the future.

AB - Eunicidan polychaetes formed a significant part of Early Palaeozoic marine invertebrate communities, as shown by the abundance and diversity of scolecodonts (polychaete jaws) in the fossil record. In this study we summarize the early radiation and biodiversity trends and discuss the palaeobiogeography of these fossils. The oldest (latest Cambrian-Early Ordovician) representatives had primitive, usually symmetrical, placognath/ctenognath type jaw apparatuses. The first more advanced taxa, possessing labidognath-type jaw apparatuses or placognath apparatuses with compound maxillae, are first recorded in the Middle Ordovician. The most significant increase in generic diversity occurred in the Darriwilian, when many common taxa appeared and diversified. The Ordovician and Silurian scolecodont occurrences allow some palaeobiogeographical units and distribution patterns to be explored and outlined. The most robust data presently at hand derive from successions in Baltica and Laurentia. That information, together with new records from other palaeocontinents, reveals a wide distribution for the most frequent and species-rich genera and families, similar to the biogeographical patterns of extant polychaetes. Like many other benthic and pelagic fossil groups, scolecodont-bearing polychaetes show an increased cosmopolitan character in the Silurian as compared with the Ordovician. Species-level endemism appears to be relatively common, inferring a potential for scolecodonts as biogeographical tools in the future.

U2 - 10.1144/M38.18

DO - 10.1144/M38.18

M3 - Paper in conference proceeding

SP - 265

EP - 272

BT - Early Palaezoic Biogeography and Palaeogeography

PB - Geological Society of London

ER -