Sökning: "Annelida"

Hittade 3 uppsatser innehållade ordet Annelida.

  1. 1. Enigmatic worm-like fossils from the Silurian Waukesha Lagerstätte, Wisconsin, USA

    Kandidat-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Märta Westberg; [2019]
    Nyckelord :Waukesha Lagerstätte; Silurian; soft-tissue preservation; Palaeoscolecida; Annelida; Arthropoda Waukesha Lagerstätte; silur; mjukvävnadsbevaring; Arthropoda; Earth and Environmental Sciences;

    Sammanfattning : The lower Silurian Waukesha Lagerstätte of Wisconsin, USA, is a Konservat-Lagerstätte which has yielded a diverse assemblage of exceptionally well-preserved soft-bodied organisms. This study comprises first-hand descriptions and assessments of 23 enigmatic worm-like specimens from the Waukesha Lagerstätte, alongside a literature review. LÄS MER

  3. 2. Distribution of Sabellidites (Annelida?) in the Basal Cambrian of the Digermulen Peninsula, Arctic Norway

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Frida Hybertsen; [2017]
    Nyckelord :Ediacaran; Cambrian; Sabellidites; biostratigraphy; Digermulen Peninsula; Arctic Norway; Ediacara; kambrium; Sabellidites; biostratigrafi; Digermulen;

    Sammanfattning : The Digermulen Peninsula, Arctic Norway, offers a unique section of late Ediacaran to Cambrian sediments in an almost complete succession within the Vestertana Group. The proposed annelidan fossil Sabellidites cambriensis is found here, within the Lower Breidvika Member and is believed to exist also in the underlying Manndrapselva Member of the Stáhpogieddi Formation. LÄS MER

  4. 3. Lower Silurian polychaetaspid and ramphoprionid polychaetes from Gotland : aspects on taxonomy and palaeoecology

    Magister-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Mats Eriksson; [1996]
    Nyckelord :Annelida; polychaetes; polychaetaspids; ramphoprionids; scolecodonts; palaeoecology; taxonomy; Lusklint; Lickershamn 2; Lower Visby Beds; Upper Visby Beds; Högklint Beds; Wenlock; Llandovery; Silurian; Gotland; Sweden; Earth and Environmental Sciences;

    Sammanfattning : The Silurian strata of Gotland yield a wide variety of polychaete jaws. The investigated polychaetes include the family Polychaetaspidae with the two genera Polychaetaspis and Kozlowskiprion, and the monotypic family Ramphoprionidae with the genus Ramphoprion. LÄS MER