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File:Thalassina anomala - Fossil - Gunn Point, N Territory, Australia 86x35x40.jpg

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Fossil of Thalassina anomala, Herbst, 1804

Description
English: Thalassina anomala. Fossils of the mud lobster, have been collected over the years from various locations in the northern coastal regions of the Northern Territory and Queensland. Being a crustacean, Thalassina anomala has an exoskeleton which it sheds through its stages of growth. It is this hard outer form of lobsters from past times which forms the basis of the fossils that are now found. The full exoskeleton is rarely found fully preserved and most often the pieces are encased in quite solid sedimentary material which looks just like mud.
Stage : Holocene
Locality : Gunn Point, N Territory, Australia
Size : 8.6x3.5x4.0 cm
Français : Thalassina anomala Les fossiles du "homard de boue", ont été recueillies depuis plusiers années à divers endroits dans les régions côtières du nord du Territoire du Nord et du Queensland en Australie. Thalassina anomala a un exosquelette qui est renouvelé au fur et à mesure des étapes de croissance. Ce sont eux qui forment la base des fossiles que l'on trouvent désormais. L'exosquelette complet est rarement trouvé, entièrement préservé et le plus souvent ce sont de morceaux épars sans connexions qui sont enfermés dans un matériel sédimentaire solide qui ressemble à de la boue.
Etage : Holocène
Localité : Gunn Point, N Territory, Australie
Taille  : 8,6x3,5x4,0 cm
Processing
InfoField
Focus stacking of 4 pictures.
Date Taken on 3 January 2016
Source Own work
Author Didier Descouens
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