Re: paleonet Calcispheres

["D.Mclean" <D.Mclean@xxxxxxxxxxxxxxx>]

Not all calcispheres are dinoflagellate cysts but e.g. see

JARVIS et al (1988) Microfossil assemblages and the Cenomanian-
Turonian (Late Cretaceous) Oceanic Anoxic event. Cretaceous 
Research, 9, 3-103

VAJDA-SANTIVANEZ, V. & SOLAKIUS, N. (1999) Palynomorphs, 
foraminifera, and calcispheres from the greensand-limestone 
transition at Arnager, Bornholm: evidence of transgression during 
the late Cenomanian to early Coniacian, GFF, 121, 281-286

For general information on calcareous dinocysts see the relevant 
part (pp.1199-1120) in:

HEAD, M.J. (1996) Modern dinoflagellate cysts and their biological 
affinities. In JANSONIUS, J.J. & McGREGOR, D.C. (eds.) 
Palynology: Principles and Applications. AASP Foundation, 3, 
1197-1248.

and 

WALL, D. & DALE, B., 1968. Quaternary calcareous 
dinoflagellates (Calciodinellideae) and their natural affinities. Jornal 
of Paleontology, 42, 1395-1408

Regards,

Duncan McLean