Sealife guideThe sea life glossaryOur glossaries
Last updated on 10/20/2026 at 12:29 AM
English
Description
French
T
Français
test
Définition
Hard internal skeleton of a sea urchin, made of fused calcareous plates that support the body and protect internal organs.
Anglais
test
Français
thallus
Définition
A simple, undifferentiated plant body that lacks true stems, roots and leaves, typical of algae, fungi and some liverworts.
Anglais
thalle
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Poisson lime à taches orange
(Oxymonacanthus longirostris)
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