Spiriferida
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Details
Spiriferida is an order of extinct articulate brachiopod fossils which are known for their long hinge-line, which is often the widest part of the shell. In some genera (e.g. Mucrospirifer) it is greatly elongated, giving them a wing-like appearance. They often have a deep fold down the center of the shell. The feature that gives the spiriferids their name ("spiral-bearers") is the internal support for the lophophore; this brachidium, which is often preserved in fossils, is a thin ribbon of calcite that is typically coiled tightly within the shell.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786137976777
- Editor Dagda Tanner Mattheus
- Sprache Englisch
- Auflage Aufl.
- Größe H220mm x B220mm
- Jahr 2011
- EAN 9786137976777
- Format Kartonierter Einband (Kt)
- ISBN 978-613-7-97677-7
- Titel Spiriferida
- Untertitel Rhynchonellata
- Herausgeber VENT
- Anzahl Seiten 72
- Genre Biologie
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