(Table 1) Distribution of benthic and planktonic foraminifers at DSDP Hole 28-270
(Table 1) Distribution of benthic and planktonic foraminifers at DSDP Hole 28-270
Foraminifers from the upper Oligocene, lower Miocene, and Pleistocene at Site 270 in the southern Ross Sea, Antarctica, are discussed and illustrated. The total fauna comprises 74 genera and 163 species. A small number of taxa are recycled from Cretaceous and older Paleogene sediments. Four assemblage zones are proposed, the age of informal lithologic units discussed, and potentially important hiatuses identified. Microfaunas reflect a mixing of biogeographic affinities with one element exhibiting similarities to temperate late Paleogene assemblages in New Zealand, and another representing the early cold-water assemblages of the antarctic Neogene.
Supplement to: Leckie, R Mark; Webb, Peter-Noel (1986): Late Paleogene and early Neogene foraminifers of Deep Sea Drilling Project Site 270, Ross Sea, Antarctica. In: Kennett, JP; von der Borch, CC; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 90, 1093-1142
X = presence, - = absence, - = absent, ? questionable occurrence.
Lithologic unit sequence, Haplophragmoides sp., Cibicides pseudoungerianus, Ceratobulimina spp., Saracenaria sp., Globorotalia cf gemma, Elphidium sp, Gyroidina cf orbicularis, Protobotellina cyclindica, Lenticulina callifera, Vaginulina cf reophagia, Saracenaria kellumi, Parafissurina cf. tasmanica, Nonionella magnalingua, Cancris laevinflatus, Reophax sp, Cibicides cf. thiara, Trochammina sp., Sample code/label, Anomalinoides cf macroglabra, Karreriella obscura, Globobulimina sp, Trifarina aff fuegina, Bathysiphon cf. alba, Trifarina pauperata, Oolina apiculata, Lagena cf. laevigata, Gaudryina sp, Oolina globosa, Eponides cf. weddellensis, Rhizammina sp, Cibicides medocris, Anomalinoides pinguiglabra, Cassidulinoides braziliensis, Robertina tasmainia, Leg28, Trochoelphidiella uniforamina, Quinqueloculina triangularis, Lenticulina cf. punctata, Eponides tumidulus, Fissurina annectens, Trochoelphidiella sp, Neogloboquadrina pachyderma, Arenodosaria antipoda, Textularia cf plummerae, Fissurina sp., Pyrgo cf vespertilio, Nodosaria calomorpha, Globorotalia sp, Rhabdammina cf abyssorum, Cibicides lobatulus, Cassidulinoides cf chapmani, Hormosina globulifera, Pullenia subcarinata, Triloculina rotundata, Reophax cf. cushmanii, Gaudryina sp., Articulina sp., Islandiella norcrossi, Gyroidina zelandica, Globigerina cf. ouachitaensis, Globigerina cf angiporoides, Anomalinoides cf. macroglabra, Bathysiphon sp., Gyroidina parva, Globorotalia cf. gemma, Marginulinopsis cf pedum, Globorotalia sp., Cassidulinoides cf. parkeriana, Ammodiscus cf. incertus, Astacolus sp, Cassidulina bradyi, Globocassidulina subglobosa, Articulina sp, Cassidulinoides cf. chapmani, Ammoscalaria pseudospiralis, Rhizammina algaeformis, Saracenaria sp, Vaginulina awamoana, Globorotalia cf siakensis, Bathysiphon sp, Marginulina cf cocoaensis, Globobulimina sp., Lagena gracilis, Earth System Research, Globigerina megastoma, Deep Sea Drilling Project (DSDP), Melonis affinis, Eponides bradyi, Ammobaculites cf coprolithiformis, Anomalinoides globulosa, Nonionella iridea, Vaginulina cf. reophagia, Uvigerina sp, Globigerina sp., Epistominella vitrea, Cyclammina cf. complanata, Lenticulina sp, Bathysiphon aff. cyclindrica, Astacolus sp., Marsipella sp., Eponides cf weddellensis, Lagena cf laevigata, Chiloguembelina cubensis, Glomar Challenger, Miliammina lata, Astrononion echolsi, Globorotalia cf. siakensis, Cibicides refulgens, Cyclammina cf complanata, Astacolus crepidularis, Flintina cf droogeri, Reophax cf. nodulosa, Pyrgo cf. vespertilio, Reophax scorpiurus, Reophax sp., Textularia sp., Fissurina sp, Fissurina danica, Lenticulina sp., Astrorhiza cf granulosa, Trochoelphidiella sp., DSDP/ODP/IODP sample designation, Jaculella cf acuta, Dentalina cf. advena, Lithologic unit/sequence, Fissurina marginata, Astrorhiza cf. granulosa, Elphidium sp., Lenticulina cf punctata, Sphaeroidina bulloides, Rhabdammina cf. abyssorum, Cyclammina incisa, Hyperammina cylindrica, Fursenkoina schreibersiana, Drilling/drill rig, Lenticulina lenticula, Quinqueloculina seminulum, Lagena elongata, Pullenia bulloides, Melonis barleeanus, Dentalina cf advena, Uvigerina sp., Marginulina cf. cocoaensis, Islandiella teretis, Marsipella sp, Oolina apiopleura, Globigerinita cf glutinata, Parafissurina groenlandica, Ammobaculites cf expansus, Reophax cf nodulosa, Trochammina sp, Rhizammina sp., Fissurina lucida, Globigerina cf ouachitaensis, Gyroidina cf. orbicularis, Haplophragmoides sp, Trifarina aff. fuegina, Ammodiscus cf glabratus, Lagena laevis, Bathysiphon aff cyclindrica, Ammodiscus cf. glabratus, Parafissurina lateralia, Uvigerina cf. miozea, Cibicides cf thiara, Globocassidulina biora, Ceratobulimina spp, Lagena striata, Elphidium cf. nitidum, Psammosphaera fusca, Globocassidulina crassa, Bathysiphon cf alba, Rhabdammina linearis, Bathysiphon discreta, Lagena sequenziana, Ehrenbergina glabra, Globorotaloides cf suteri, Fissurina kerguelensis, Candeina antarctica, Textularia sp, Globigerinoides trilobus, Cyclammina rotundata, Fissurina agassizi, Ammobaculites cf. expansus, Reophax cf cushmanii, Rosalina globularis, Parafissurina subcarinata, Trochoelphidiella pustulosa, Globorotaloides cf. suteri, Marginulinopsis cf. pedum, Sample code label, Globigerinita cf. glutinata, Parafissurina curta, Siphonina spp, Ammobaculites cf. coprolithiformis, Oridorsalis tenera, sediment rock, Jaculella cf. acuta, Fissurina bisulcata, Uvigerina cf miozea, Elphidium cf nitidum, Fissurina fimbriata, Lagena sulcata, Cassidulinoides cf parkeriana, Parafissurina cf tasmanica, DEPTH, sediment/rock, Cibicides vortex, Globigerina cf. angiporoides, Cibicides temperata, Marginulina tumida, Fissurina laevigata, Gaudryina reusii, Siphonina spp., Globigerina sp, Textularia cf. plummerae, DSDP ODP IODP sample designation, Trifarina earlandi, Nonionella bradii, Ammodiscus cf incertus, Lagena nebulosa, Drilling drill rig, Nodosaria sp, Epoch, Flintina cf. droogeri, Nodosaria sp., Elphidium magellanicum, DEPTH, Deep Sea Drilling Project DSDP
Lithologic unit sequence, Haplophragmoides sp., Cibicides pseudoungerianus, Ceratobulimina spp., Saracenaria sp., Globorotalia cf gemma, Elphidium sp, Gyroidina cf orbicularis, Protobotellina cyclindica, Lenticulina callifera, Vaginulina cf reophagia, Saracenaria kellumi, Parafissurina cf. tasmanica, Nonionella magnalingua, Cancris laevinflatus, Reophax sp, Cibicides cf. thiara, Trochammina sp., Sample code/label, Anomalinoides cf macroglabra, Karreriella obscura, Globobulimina sp, Trifarina aff fuegina, Bathysiphon cf. alba, Trifarina pauperata, Oolina apiculata, Lagena cf. laevigata, Gaudryina sp, Oolina globosa, Eponides cf. weddellensis, Rhizammina sp, Cibicides medocris, Anomalinoides pinguiglabra, Cassidulinoides braziliensis, Robertina tasmainia, Leg28, Trochoelphidiella uniforamina, Quinqueloculina triangularis, Lenticulina cf. punctata, Eponides tumidulus, Fissurina annectens, Trochoelphidiella sp, Neogloboquadrina pachyderma, Arenodosaria antipoda, Textularia cf plummerae, Fissurina sp., Pyrgo cf vespertilio, Nodosaria calomorpha, Globorotalia sp, Rhabdammina cf abyssorum, Cibicides lobatulus, Cassidulinoides cf chapmani, Hormosina globulifera, Pullenia subcarinata, Triloculina rotundata, Reophax cf. cushmanii, Gaudryina sp., Articulina sp., Islandiella norcrossi, Gyroidina zelandica, Globigerina cf. ouachitaensis, Globigerina cf angiporoides, Anomalinoides cf. macroglabra, Bathysiphon sp., Gyroidina parva, Globorotalia cf. gemma, Marginulinopsis cf pedum, Globorotalia sp., Cassidulinoides cf. parkeriana, Ammodiscus cf. incertus, Astacolus sp, Cassidulina bradyi, Globocassidulina subglobosa, Articulina sp, Cassidulinoides cf. chapmani, Ammoscalaria pseudospiralis, Rhizammina algaeformis, Saracenaria sp, Vaginulina awamoana, Globorotalia cf siakensis, Bathysiphon sp, Marginulina cf cocoaensis, Globobulimina sp., Lagena gracilis, Earth System Research, Globigerina megastoma, Deep Sea Drilling Project (DSDP), Melonis affinis, Eponides bradyi, Ammobaculites cf coprolithiformis, Anomalinoides globulosa, Nonionella iridea, Vaginulina cf. reophagia, Uvigerina sp, Globigerina sp., Epistominella vitrea, Cyclammina cf. complanata, Lenticulina sp, Bathysiphon aff. cyclindrica, Astacolus sp., Marsipella sp., Eponides cf weddellensis, Lagena cf laevigata, Chiloguembelina cubensis, Glomar Challenger, Miliammina lata, Astrononion echolsi, Globorotalia cf. siakensis, Cibicides refulgens, Cyclammina cf complanata, Astacolus crepidularis, Flintina cf droogeri, Reophax cf. nodulosa, Pyrgo cf. vespertilio, Reophax scorpiurus, Reophax sp., Textularia sp., Fissurina sp, Fissurina danica, Lenticulina sp., Astrorhiza cf granulosa, Trochoelphidiella sp., DSDP/ODP/IODP sample designation, Jaculella cf acuta, Dentalina cf. advena, Lithologic unit/sequence, Fissurina marginata, Astrorhiza cf. granulosa, Elphidium sp., Lenticulina cf punctata, Sphaeroidina bulloides, Rhabdammina cf. abyssorum, Cyclammina incisa, Hyperammina cylindrica, Fursenkoina schreibersiana, Drilling/drill rig, Lenticulina lenticula, Quinqueloculina seminulum, Lagena elongata, Pullenia bulloides, Melonis barleeanus, Dentalina cf advena, Uvigerina sp., Marginulina cf. cocoaensis, Islandiella teretis, Marsipella sp, Oolina apiopleura, Globigerinita cf glutinata, Parafissurina groenlandica, Ammobaculites cf expansus, Reophax cf nodulosa, Trochammina sp, Rhizammina sp., Fissurina lucida, Globigerina cf ouachitaensis, Gyroidina cf. orbicularis, Haplophragmoides sp, Trifarina aff. fuegina, Ammodiscus cf glabratus, Lagena laevis, Bathysiphon aff cyclindrica, Ammodiscus cf. glabratus, Parafissurina lateralia, Uvigerina cf. miozea, Cibicides cf thiara, Globocassidulina biora, Ceratobulimina spp, Lagena striata, Elphidium cf. nitidum, Psammosphaera fusca, Globocassidulina crassa, Bathysiphon cf alba, Rhabdammina linearis, Bathysiphon discreta, Lagena sequenziana, Ehrenbergina glabra, Globorotaloides cf suteri, Fissurina kerguelensis, Candeina antarctica, Textularia sp, Globigerinoides trilobus, Cyclammina rotundata, Fissurina agassizi, Ammobaculites cf. expansus, Reophax cf cushmanii, Rosalina globularis, Parafissurina subcarinata, Trochoelphidiella pustulosa, Globorotaloides cf. suteri, Marginulinopsis cf. pedum, Sample code label, Globigerinita cf. glutinata, Parafissurina curta, Siphonina spp, Ammobaculites cf. coprolithiformis, Oridorsalis tenera, sediment rock, Jaculella cf. acuta, Fissurina bisulcata, Uvigerina cf miozea, Elphidium cf nitidum, Fissurina fimbriata, Lagena sulcata, Cassidulinoides cf parkeriana, Parafissurina cf tasmanica, DEPTH, sediment/rock, Cibicides vortex, Globigerina cf. angiporoides, Cibicides temperata, Marginulina tumida, Fissurina laevigata, Gaudryina reusii, Siphonina spp., Globigerina sp, Textularia cf. plummerae, DSDP ODP IODP sample designation, Trifarina earlandi, Nonionella bradii, Ammodiscus cf incertus, Lagena nebulosa, Drilling drill rig, Nodosaria sp, Epoch, Flintina cf. droogeri, Nodosaria sp., Elphidium magellanicum, DEPTH, Deep Sea Drilling Project DSDP
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