THE OLDER STAGES 



173 



Organisms recorded by Barkley 



CHRYSOPHYCEA 

 Not recorded 



COCCOSPHERES 



Not recorded 



SILICOFLAGELLATES 

 Distephanus regularis ( = speculum) 



DINOFLAGELLATES 

 Not recorded 



DIATOMS 

 Actinocyclus spp. 

 Asteromphalus heptactis 

 Asteromphalus parvulus 

 Asteromphalus regularis 

 Biddulphia polymorpha 

 Chaetoceros atlanticum 

 Chaetoceros criophilum 

 Chaetoceros dichaeta 

 Chaetoceros radiculum 

 Cocconeis ceticola 

 Cocconeis imperatrix 

 Corethron valdiviae ( = criophilum) 

 Coscinodiscus spp. 

 Small Coscinodiscus 

 Dactiliosolen antarcticus 

 Fragilaria curta 

 Fragilariopsis sp. 

 Navicula sp. 

 Nitzschia seriata 

 Rhizosolenia alata 

 Rhizosoletiia bidens 

 Rhizosolenia hebetata 

 Rhizosolenia spinifera 

 Rhizosolenia styliformis 

 Synedra spathulata ( = pelagica) 



FORAMINIFERA 



Globigerina sp. 



RADIOLARIA 

 Acantharidae 

 Phaeodaridae 



TINTINNIDS 

 Cymatocyclus onvallaria 

 Cymatocyclus nobilis 



CRUSTACEA 

 Not recorded 



Organisms recorded by Hart 



CHRYSOPHYCEA 



Phaeocystis sp. 



COCCOSPHERES 



Pontosphaera sp. 



SILICOFLAGELLATES 

 Distephanus speculum 



DINOFLAGELLATES 

 Peridinium antarcticum 

 Peridinium sp. 



DIATOMS 

 Actinocyclus spp. 

 Asteromphalus hookeri 

 Asteromphalus parvulus 

 Asteromphalus regularis 

 Chaetoceros criophilum 

 Chaetoceros chunii 

 Chaetoceros neglectum 

 Chaetoceros sp. 

 Corethron criophilum 

 Coscinodiscus minimus 

 Coscinodiscus minutus 

 Coscinodiscus spp. 

 Small or minute Discoidae 

 Dactiliosolen antarcticus 

 Fragilaria ? striatula 

 Fragilaria spp. 

 Fragilariopsis sublinearis 

 Navicula spp. 

 Nitzschia closterium 

 Nitzschia delicatissima 

 Nitzschia seriata 

 Rhizosolenia alata 

 Rhizosolenia hebetata 

 Rhizosolenia sp. 

 Synedra pelagica 

 Thalassiosira antarctica 

 Thalassiothrix antarctica 

 Diatom ? spores 



Globigerina sp. 



FORAMINIFERA 



RADIOLARIA 



Not recorded 



TINTINNIDS 

 Recorded 



CRUSTACEA 



Copepodites 

 ? Copepod eggs 



