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Amongst the rich and fairly diverse echinoid faunas from the Campanian marl/marly limestone facies as exposed at the large quarries of the cement industry near Höver and Misburg (east of Hannover, northern Germany), there are a few rare taxa, most of which have not been recorded previously from the Lower Saxony Basin. These include  Echinogalerus peltiformis  (Wahlenberg, 1821),  Conulus (C.) matesovi  Poslavskaia &amp; Moskvin in Moskvin 1959,  Hagenowia blackmorei  Wright &amp; Wright, 1949,  Diplodetus  sp., and  Peroniaster cotteaui  Gauthier in Peron 1887. New material of another rare species,  Hemiaster  gr.  aquisgranensis  Schlüter, 1899, is here described. The palaeoecological significance of the rarity of these is briefly discussed. Of particular note, in a palaeobiogeographic context, are  E. peltiformis  and  C. matesovi . The former is well known from Lower and Upper Campanian arenitic facies in southern Sweden, while the latter was held to be confined to the Lower Campanian of the Caucasus and Kazakhstan. These two species may have immigrated into the Lower Saxony Basin following transgressive pulses or within transgressive systems tracts.    Die reiche und vergleichsweise diverse Echinidenfauna der Mergel/Mergelkalk-Rhythmite des Campans von Misburg und Höver bei Hannover enthält einige seltene Taxa, die bisher aus dem Niedersächsischen Becken nicht bekannt waren. Dazu gehören  Echinogalerus peltiformis  (Wahlenberg, 1821),  Conulus (C.) matesovi  Poslavskaia &amp; Moskvin in Moskvin 1959,  Hagenowia blackmorei  Wright &amp; Wright, 1949,  Diplodetus  sp. und  Peroniaster cotteaui  Gauthier in Peron 1887. Für eine weitere Art,  Hemiaster  gr.  aquisgranensis  Schlüter, 1899, werden neue Funde beschrieben. Die paläoökologische Bedeutung der Seltenheit der vorliegenden Taxa wird diskutiert. Als besonders bedeutsam erweisen sich dabei die Vorkommen von  E. peltiformis  und  C. matesovi . Ersterer war bisher ausschließlich aus den küstennahen Kalkareniten Südschwedens bekannt, letzterer wurde bisher nur im Untercampan des Kaukasus und von Asserbaidschan und Kasachstan nachgewiesen. Beide Arten sind wahrscheinlich im Rahmen transgressiver Schübe dritter Ordnung in das Niedersächsische Becken eingewandert.    doi: 10.1002/mmng.20020050109

Rare Campanian Echinoids from Höver and Misburg (Hannover Area, Lower Saxony, Germany)