- Animals
- ›Echinoderms
- ›sea urchins and sea cucumbers
- ›Sea Urchins, Sand Dollars, and Heart Urchins
- ›sea urchins
- ›irregular sea urchins
- ›Atelostomata
- ›Holasteroida
- ›Meridosternata
- ›Urechinina
Pourtalesiidae
The pourtalesiids (Pourtalesiidae) are a family of irregular sea urchins that live in the deep sea. They are secondarily bilateral-symmetrical and like other representatives of the taxon Holasteroida they lack the lantern of Aristotle, which is typical for many other sea urchins. The genus Pourtalesia was named after Louis-François de Pourtalès who first collected these animals while dredging at a depth of 600 m. The family is known already from the Upper Cretaceous (Maastrichtian) and is...
9 branches of this family, most-observed first
Pourtalesia
genusPourtalesia
Helgocystis
genusHelgocystis
Rictocystis
genusRictocystis
Solenocystis
genusSolenocystis
Echinocrepis
genusEchinocrepis
Spatagocystis
genusSpatagocystis
Ceratophysa
genusCeratophysa
Cystocrepis
genusCystocrepis
Echinosigra
genusEchinosigra
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Pourtalesiidae in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 195792.