Cassiduloida: taxon details and analytics
- Domain
- Kingdom
- Animalia
- Phylum
- Echinodermata
- Class
- Echinoidea
- Order
- Echinolampadacea
- Family
- Genus
- Species
- Scientific Name
- Cassiduloida
Summary description from Wikipedia:
Cassiduloida
Cassiduloida is an order of sea urchins. The group was extremely diverse with many families and species during the Mesozoic, but today, only seven extant species remain.
A 2019 phylogenetic systematics study by Souto et al. presented a revised classification of the cassiduloids, and hypothesised that the order probably originated in the Early Cretaceous.
...Images from inaturalist.org observations:
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