http://nannotax.org/frontpage1 To enable industrial and acdemic palaeontologists working with calcareous nannofossils to share and develop taxonomic concepts. Supporting organizations: International Nannoplankton Association, Gulf Coast Section of SEPM en http://nannotax.org/content/reticulatatheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2306 at http://nannotax.org http://nannotax.org/content/papillatatheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2307 at http://nannotax.org http://nannotax.org/content/seminulumtheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2310 at http://nannotax.org http://nannotax.org/content/bramletteitheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2286 at http://nannotax.org http://nannotax.org/content/dineseniitheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2290 at http://nannotax.org http://nannotax.org/content/compactatheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2291 at http://nannotax.org http://nannotax.org/content/lophotatheod4jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2294 at http://nannotax.org http://nannotax.org/content/heezeniitheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2295 at http://nannotax.org http://nannotax.org/content/gartneritheod84jpg <p>Proximal and distal views of single coccoliths. This is a Palaeogene species, so not yet described in detail on this site.</p> Drawing Drawing from Theodoridis (1984) Helicosphaera Zygodiscales - Helicosphaera Theodoridis drawings Sat, 15 Mar 2008 13:51:02 +0000 Jeremy Young 2296 at http://nannotax.org http://nannotax.org/content/helicosphaera <p> <strong>Description</strong>: Coccoliths with helical flange, sub-groups can be recognised based on presence/absence of a disjunct bar, bar orientation, flange shape, etc. (see e.g. Theodoridis 1984, Perch-Nielsen 1985b, Aubry 1990, Young 1998). </p> <p> <strong>Type</strong>: <em>Helicosphaera carteri</em> </p> <p> <strong>Synonym</strong>: <em>Helicopontosphaera</em> </p> <p><a href="http://nannotax.org/content/helicosphaera">read more</a></p> Helicosphaera Sun, 18 Nov 2007 23:26:54 +0000 789 at http://nannotax.org