The palaeobiogeography of Silurian ramphoprionid Polychaete annelids

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Abstract

Silurian palaeobiogeography of the Ramphoprionidae (Annelida; Polychaeta) is outlined. Members of the family are reported from northern Europe (Estonia, Sweden and England), the Russian Arctic (Severnaya Zemlya), and the Canadian Arctic (Baillie-Hamilton Island), These areas were located fairly close to the palacoequator during the Silurian and a faunal exchange is indicated by the broad, intercontinental distribution of the family. A few taxa may, however, have been endemic, Ramphoprionids had long stratigraphical ranges and were generally fairly rare during the Silurian, infrequently exceeding ten per cent of the jawed polychaete faunas.

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Subject classification (UKÄ) – MANDATORY

  • Geology

Keywords

  • polychaete jaws, scolecodonts, Silurian, palaeobiogeography, ramphoprionids
Original languageEnglish
Pages (from-to)985-996
JournalPalaeontology
Volume45
Publication statusPublished - 2002
Publication categoryResearch
Peer-reviewedYes