Additions to the echinoid fauna of New Zealand

Abstract

Summary Seven species of echinoids are added to the New Zealand fauna, two being described as new species of the genera Caenopedina and Spatangus Described species, new to the fauna, are Gracilechinus multidentatus (H. L. Clark), Pourtalesia laguncula A. Agassiz, Hemiaster expergitus gibbosus A. Agassiz, and Gymnopatagus magnus A. Agassiz and H. L. Clark. Fragments of Spatangus, possibly hybrid S. thor Fell, and fragments of Echinocardium, almost certainly not E. cordatum (Pennant), are also described.