Fossil group
Echinoids
Echinoderms · Ordovician – Recent
Sea urchins and their relatives — echinoderms encased in a rigid, globular or flattened test of interlocking calcite plates, usually bearing movable spines. They graze or burrow on the sea floor and are common fossils from the Ordovician onward.
A broad fossil group rather than a single taxon — the units below record it among their fauna or flora.
Recorded in these units
9- Reshit Formation late Middle Jurassic Mesozoic
- Samana Suk Formation Middle Jurassic (Bajocian-Bathonian) Mesozoic
- Drazinda Formation Middle to Late Eocene Cenozoic
- Habib Rahi Formation Middle Eocene Cenozoic
- Laki Formation Early Eocene Cenozoic
- Margala Hill Limestone Early Eocene (Ypresian) Cenozoic
- Pirkoh Formation Middle Eocene Cenozoic
- Sakesar Formation Early Eocene (Ypresian) Cenozoic
- Shekhan Formation Early Eocene (Ypresian) Cenozoic
Found alongside
29Other fossils recorded in the same units.
AlgaeAlveolinaAlveolina oblongaAlveolina vredenburgiAmmonitesAssilina dandoticaAssilina daviesiAssilina exponensAssilina granulosaAssilina laminosaAssilina spinosaBivalvesBrachiopodsBryozoansCoralsCrinoidsDiscocyclinaForaminiferaGastropodsLarger foraminifera (Nummulites, Assilina)Lockhartia conditiLockhartia tipperiMiliolidsNummulitesNummulites atacicusNummulites mamillatusOperculinaOrbitolites complanatusOstracods