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Calcarina     
Type species: Nautilus spengleri Gmelin, 1791. According to Renema 2002 the taxonomy is not yet satisfactory resolved. All Calcarinas are very variable.
C. hispida Brady 1876 and C. mayori Cushman 1924 are the hispid species. C. mayori Cushman 1924 is less hispid with spines, whereas C. hispida Brady 1876 is more hispid and shorter spined. C. spengleri (Gmelin 1798) has smooth, round contours and can be recognised by the parallel striae on the spines and the absence of very short hispid spines.
C. hispida Brady 1876
Port Campbell, Australia
C. mayori Cushman, 1924
Port Campbell, Australia
C. spengleri, Port Campbell, Australia
Calcarina hispida, Port Campbell, Victoria, Australia
Calcarina mayori, Port Campbell, Victoria, Australia
Calcarina spengleri, Port Campbell, Victoria, Australia
C. spengleri (Gmelin, 1791)
Fitzroy Reef, Australia
Calcarina spengleri, Fitzroy Reef, Australia
C. spengleri, Port Campbell, Australia
Calcarina spengleri, Port Campbell, Victoria, Australia
C. spengleri (Gmelin, 1791), Heldsbach, Papua
C. spengleri (Gmelin, 1791), Heldsbach, Papua
Calcarina spengleri, Heldsbach, Papua
Calcarina, Heldsbach, Papua


recent   Neogene   Paleogene   Cretaceous   Jurassic   Triassic   Permian   Carboniferous   Devon   Silurian   Ordovician  

W. Renema, 2002: Larger Foraminfera as marine environmental indicators in: Scripta Geologica, Vol. 124 (2002), p. 1-260, Pages 29 and 97