Essays about: "Brachiopoda"

Found 4 essays containing the word Brachiopoda.

  1. 1. Estimating the Early Evolution of Brachiopods Using an Integrated Approach Combining Genomics and Fossils

    University essay from Uppsala universitet/Paleobiologi

    Author : Chloé Robert; [2019]
    Keywords : Brachiopoda; evolutionary history; phylogeny; Maximum likelihood; Bayesian inference; fossil calibrations; Brachiopoda; evolutionhistoria; fylogeni; Maximum likelihood-metoden; Bayesiansk statistik; fossilkalibering;

    Abstract : The Brachiopoda, a major group of the Lophotrochozoa, experienced a rapid early evolutionary diversification during the well-known Cambrian explosion and subsequently dominated the Palaeozoic benthos with its diversity and abundance. Even though the phylogeny of the Lophotrochozoa is still hotly debated, it is now known that the Brachiopoda are a monophyletic grouping. READ MORE

  3. 2. Paleontology and Sedimentology of the Alum Shale Formation at Björnberget, Västerbotten County, Sweden

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Mannelqvist Alexander; [2016]
    Keywords : Brachiopoda; Acrotretida; New species; New locality; Alum Shale Formation; Brachiopoda; Acrotretida; ny art; ny lokal; Alunskifferformationen;

    Abstract : A new locality of the Alum Shale Formation at Björnberget, Västerbotten County, of the lower allochthon of the Caledonian front is described herein. Two new species of acrotretid brachiopods were found. Tingitanella vilhelminia n. sp. READ MORE

  4. 3. Linguliform Brachiopods from the Middle Cambrian ‘Thick’ Stephen Formation at Odaray Mountain, Canadian Rocky Mountains

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Sara Saxén; [2015]
    Keywords : Brachiopoda; Lingulida; Middle Cambrian; Stephen Formation; new species; Brachiopoda; Lingulida; Mellersta kambrium; Stephenformationen; ny art;

    Abstract : The linguliform brachiopod fauna from the Stephen Formation have long been thought to be very species poor and only consist of a few genera, but new discoveries from lime-stone beds in the “thick” Stephen Formation shows that this is not the case. The species described herein, Kyrshabaktella cf. tatjanae and Ceratreta hansi sp. nov. READ MORE

  5. 4. Upper Cambrian trilobite faunas and biostratigraphy at Kakeled on Kinnekulle, Västergötland, Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Fredrik Terfelt; [2000]
    Keywords : Arthropoda; Trilobita; Brachiopoda; taxonomy; biostratigraphy; alum shale; Upper Cambrian; Kakeled; Kinnekulle; Västergötland; Sweden; Earth and Environmental Sciences;

    Abstract : Upper Cambrian strata are well exposed in an old quarry at Kakeled on south-western Kinnekulle, south-central Sweden. The exposures consist of finely laminated alum shale with lenses and beds of dark grey limestone (stinkstone or orsten), and a few thin layers of sandstone. A 6. READ MORE