Hyolitha
- Hyolitha
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Hyolitha est une classe de mollusques éteints. Ils étaient communs à l'ère paléozoïque, du Cambrien au Permien. Leur classification dans l'embranchement des mollusques n'est qu'une supposition, leur phylogénie n'étant pas élucidée.
Liste des ordres
- ordre Hyolithida
- ordre Hyolithomorpha
- ordre Orthothecida
- ordre Orthothecimorpha
Liens externes
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Hyolitha — Taxobox name = Hyolitha image caption = Hyolithes cerops Walcott from the Spence Shale near Paris, Idaho (Middle Cambrian) regnum = Animalia superphylum = Lophotrochozoa? phylum = HyolithaHyolitha are enigmatic animals with small conical shells… … Wikipedia
Hyolitha — Hyolitha Rango temporal: Cambriano Permiano … Wikipedia Español
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Orthotheca — Temporal range: Early Cambrian–Early Devonian[1] … Wikipedia
Mollusca — Temporal range: Cambrian–Recent … Wikipedia