Priscopedatidae is a prehistoric family of extinct
sea cucumber
Sea cucumbers are echinoderms from the class (biology), class Holothuroidea ( ). They are benthic marine animals found on the sea floor worldwide, and the number of known holothuroid species worldwide is about 1,786, with the greatest number be ...
s.
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Prehistoric echinoderm families
{{paleo-holothuroidea-stub