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Cassiduloida

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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.

Species

Suborder

  1. PhylumEchinodermata
  2. ClassEchinoidea
  3. OrderEchinolampadacea
Habitatmarine

via

Museum specimens

Specimen records
2
Collections
UF
Recorded in
United States

Wikidata facts

Instance of
taxon
Parent taxon
Atelostomata
Image
Echinolampas hemisphaerica MHNT Burdigalien Bollene 84.jpg
Show 5 more facts
Commons category
Cassiduloida
taxon name
Cassiduloida
taxon rank
order
topic's main category
Category:Cassiduloida
temporal range start
Toarcian
Sources (1)

via Wikidata · CC0

~1 min read

Encyclopedic overview

3 sections
Contents
  • Description and characteristics
  • List of families and genera
  • References

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.

Excerpted from Wikipedia’s “Cassiduloida” article, available under the CC BY-SA 4.0 licence.

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