Phylum Echinodermata, Class Echinoidea (Hemipneustes striato-radiatus)
Abstract
Description
Cretaceous. Echinodermata were exclusively marine bottom-dwelling invertebrates having external skeletons of calcareous plates just beneath the skin. Hemipneustes is an extinct genus of sea urchins that lived during the Upper Cretaceous period.
Gulpen, Netherlands
Gulpen, Netherlands
item.page.type
natural object
Still Image
Still Image
item.page.format
image/jpeg
Keywords
environmental sciences