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Two species of echinoderm, the brittlestar Ophiura sarsii Lutken and the common green sea urchin Strongylo-centrotus droebachiensis Muller, are found in Pleistocene marine clays near Saint John. Today, both of these echinoderms are considered boreal species and both range from the Arctic to somewhat south of Cape Cod. The species have been known to occur as fossils in the Saint John area since before 1865; however, few specimens actually exist. A summary of specimens in the New Brunswick Museum collections is presented, including brittlestars that probably belong to collections referred to by Sir J.W. Dawson. Two sea urchin specimens, not previously documented, are the only fossil specimens known to exist from this area.   RESUME  Deux especes d'echinoderme se rencontrent au sein des argiles marines pleistocenes aux environs de Saint-Jean: l'ophiure Ophiura sarsii Lutken et l'oursin vert commun Strongylocenlrotus droebachiensis Muller. De nos jours, ces echinodermes sont tous deux considers comme des especes boreales et leur aire d'occupation s'etend depuis l'Arctique jusqu'a depasser quelque peu le sud de Cape Cod. La connaissance a l'etat fossile de ces especes dans la region de Saint-Jean date d'avant 1865; cependant, l'inventaire se reduit a quelques specimens. On donne un apercu des specimens dans les collections du Musee du Nouveau-Brunswick, y compris d'ophiures appartenant probablement aux collections auxquelles Sir J.W. Dawson faisait reference. Deux specimens d'oursin, qui n'ont fait l'objet d'aucune publication jusqu'a ce jour, constituent les seuls exemplaires fossiles connus pour provenir de cette region.  [Traduit par le journal]

A review of echinoderms from Pleistocene marine deposits near Saint John, New Brunswick