Palaeotropidae is a family of
echinoderm
An echinoderm () is any animal of the phylum Echinodermata (), which includes starfish, brittle stars, sea urchins, sand dollars and sea cucumbers, as well as the sessile sea lilies or "stone lilies". While bilaterally symmetrical as ...
s belonging to the order
Spatangoida
The heart urchins or Spatangoida are an order (biology), order of sea urchins.
Their body is a somewhat elongated oval in form, and is distinguished by the mouth being placed towards one end of the animal, and the anus towards the other. As a re ...
.
Genera:
* ''
Kermabrissoides''
Baker, 1998
* ''
Palaeobrissus''
A.Agassiz, 1883
* ''
Palaeotropus''
Lovén, 1874
* ''
Paleotrema''
Koehler, 1914
* ''
Scrippsechinus''
Allison, Durham & Mintz, 1967
References
Spatangoida
Echinoderm families
{{Echinoidea-stub