Crania (brachiopod) GudangMovies21 Rebahinxxi LK21

      Crania is an extinct genus of brachiopods that lived during the Upper Cretaceous.


      Description


      Crania has small (up to 2 centimetres or 0.79 inches in diameter) circular shells. The dorsal valve is smooth or has slight pustules. The ventral valve is only attached posteriorly and has a thickened flat grainy rim.


      Reassigned species


      As the genus Crania was erected early on in paleontology, many species have since be reassigned.


      See also


      List of brachiopod genera
      Taxonomy of commonly fossilised invertebrates


      References



      Illustrations conchyliologiques ou description et figures de toutes les coquilles connues vivantes et fossiles, classées suivant le système de Lamarck modifié d'après les progrès de la science et comprenant les genres nouveaux et les espèces rècemment découvertes. Tome2 (1842). Jean-Charles Chenu, 1842 Archived 2012-01-09 at the Wayback Machine

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    crania brachiopod
    Crania Brachiopod - Brachiopods - The Fossil Forum

    Crania Brachiopod - Brachiopods - The Fossil Forum

    Novocrania anomala - A craniid brachiopod (Brachiopoda images)

    Novocrania anomala - A craniid brachiopod (Brachiopoda images)

    Novocrania anomala - A craniid brachiopod (Brachiopoda images)

    Novocrania anomala - A craniid brachiopod (Brachiopoda images)

    Crania Brachiopod - Brachiopods - The Fossil Forum

    Crania Brachiopod - Brachiopods - The Fossil Forum

    Crania Brachiopod - Brachiopods - The Fossil Forum

    Crania Brachiopod - Brachiopods - The Fossil Forum

    Crania Brachiopod - Brachiopods - The Fossil Forum

    Crania Brachiopod - Brachiopods - The Fossil Forum

    Pennsylvanian Atlas of Ancient Life: American Midcontinent | Crania

    Pennsylvanian Atlas of Ancient Life: American Midcontinent | Crania

    Pennsylvanian Atlas of Ancient Life: American Midcontinent | Crania

    Pennsylvanian Atlas of Ancient Life: American Midcontinent | Crania

    Louisville Fossils and Beyond: Crania recta Brachiopod Fossil

    Louisville Fossils and Beyond: Crania recta Brachiopod Fossil

    Louisville Fossils and Beyond: Crania recta Brachiopod Fossil

    Louisville Fossils and Beyond: Crania recta Brachiopod Fossil

    Louisville Fossils and Beyond: Crania recta Brachiopod Fossil

    Louisville Fossils and Beyond: Crania recta Brachiopod Fossil

    Louisville Fossils and Beyond: Crania Silurian Brachiopod Holdfast

    Louisville Fossils and Beyond: Crania Silurian Brachiopod Holdfast

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    crania brachiopod

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    Crania (brachiopod) - Wikipedia

    Crania is an extinct genus of brachiopods that lived during the Upper Cretaceous.

    Wooster’s Fossil of the Week: A craniid brachiopod from the Upper ...

    May 6, 2016 · Craniid brachiopods usually live out their lives attached to hard substrates, as with this Ordovician example. This species of Isocrania, however, was only attached to shelly debris on the seafloor for a short time, outgrowing its substrate …

    Crania (brachiopod) - Wikiwand

    Crania is an extinct genus of brachiopods that lived during the Upper Cretaceous. Quick Facts Scientific classification, Species ... Crania has small (up to 2 centimetres or 0.79 inches in diameter) circular shells. The dorsal valve is smooth or has slight pustules. The ventral valve is only attached posteriorly and has a thickened flat grainy rim.

    Nummulus brattenburgensis and Crania craniolaris (Brachiopoda …

    Oct 31, 2009 · Les pences de Brattingsborg (ou Brattenburg) sont connus depuis le milieu du premier millénaire et beaucoup de légendes médiévales populaires attribuent leur origine sur l'île Ivö en Scanie (Suède) où ils sont appelés "brattingsborgpenningar" ou en latin comme Nummulus brattenburgensis.

    Ancient Life--10--Inarticulate Brachiopods - University of Kansas

    Crania, on the two shells in the upper left, and Lingula, lower right, are both inarticulate brachiopods, and thus lack interlocking hinge mechanisms, having the valves held together only by muscles. Lingula has a shell of calcium phosphate.

    Craniidae - Wikipedia

    The Craniidae are a family of brachiopods, the only surviving members of the subphylum Craniiformea. They are the only members of the order Craniida, the monotypic suborder Craniidina, and the superfamily Cranioidea; consequently, the latter two taxa are at present redundant and rarely used.

    Crania Brachiopod - Brachiopods - The Fossil Forum

    May 1, 2021 · Crania Crania modesta is a rare calcium carbonate Pennsylvanian inarticulate brachiopod. The shell is very thin and the ornamentation of the shell below shows through. You can see the interior of a near circular 4.6 by 4.8 mm pedicle valve that attached itself to aLinoproductus prattenianus (phot...

    The Development of the Brachiopod Crania ... - Wiley Online Library

    The freely spawned eggs of Crania go through radial cleavage, embolic gastrulation, and the posteroventral part of the archenteron forms mesoderm through modified enterocoely. The blastopore closes in the posterior end of the larva.

    The Development of the Brachiopod Crania (Neocrania) anomala …

    Mar 1, 1991 · The ventral curving of the settling larva and the formation of both valves from dorsal epithelial areas indicate that the brachiopods have a very short ventral side as opposed to the phoronids. It is concluded that both groups have originated from a …

    Crania (brachiopod) - Alchetron, The Free Social Encyclopedia

    Oct 6, 2024 · Crania is an extinct genus of brachiopods that lived during the Upper Cretaceous. Crania has small (up to 2 centimetres or 0.79 inches in diameter) circular shells. The dorsal valve is smooth or has slight pustules.