Sidneyia Description | Lien externe | Menu de navigationImage du fossile

Faune de BurgessArthropode préhistorique (nom scientifique)Genre d'arthropodes (nom scientifique)


projets correspondantsGenregenreéteintarthropodesschistes de BurgessCambrienhyolithesspécimensWalcott





image illustrant la paléontologie


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Sidneyia



Description de cette image, également commentée ci-après

Reconstitution en relief (moulage) de Sydneya.










Classification
Règne
Animalia
Embranchement
Arthropoda
Classe
† Merostomoidea
Ordre
† Limulavida

Genre



† Sidneyia
Walcott, 1911


Sidneyia est un genre éteint d'arthropodes retrouvé dans les schistes de Burgess datés du Cambrien moyen, il y a environ 505 Ma (millions d'années).



Description |


L'animal mesure 5 à 13 cm de longueur. C'était un carnivore qui marchait sur le fond marin à la recherche de ses proies. Le contenu de l’intestin indique que le régime de Sidneyia se composait principalement de petits trilobites et hyolithes (mollusques). Environ 200 spécimens furent décrits. Walcott le baptisa du prénom de son fils, Sidney, qui plus tard décrivit la façon dont son père découvrit ce spécimen le premier jour de l’exploration.



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