Table T7. Early Cretaceous nannoplankton with Boreal, Tethyan, or bipolar distributions but which are rare or absent at Shatsky Rise.

Table T7. Early Cretaceous nannoplankton with Boreal, Tethyan, or bipolar distributions but which are rare or absent at Shatsky Rise.


Tethyan taxa rare or absent	Boreal taxa rare or absent	Bipolar species rare or absent
Calcicalathina oblongata Conusphaera mexicana Conusphaera rothii Nannoconus spp. Micrantholithus spp. Lithraphidites bollii Tubodiscus verenae Calcicalathina? alta holococcoliths	Kokia borealis Kokia curvata Sollasites arcuatus Sollasites horticus Sollasites falklandensis (austral) Micrantholithus speetonensis Triquetrorhabdulus? shetlandensis Eprolithus? antiquus Tegulalithus septentrionalis Tegulalithus tesselatus Braarudosphaera spp. Braloweria boletiformis Broinsonia viriosa holococcoliths Farhania varolii Lithraphidites moray-firthensis Crucibiscutum hayi Garderella granulifera	Repagulum parvidentatum Crucibiscutum salebrosum Laguncula dorotheae Seribiscutum primitivum Broinsonia spp. Ceratolithina spp.

Note: Those that are present, although usually rarely, are in bold.