Three sections of Guri Member the Mishan Formation in Bandar Abbas area are investigated for foraminifera biozonation and lithostratigraphic correlation. The base conformably overlies Gachsaran (or Razak some sections), whereas top member is overlain by marls. Thirty-four foraminifer species identified prove age Burdigalian Gery Sheikh Anguran Burdigalian–Langhan range Bāz section. Two assembla...

Abstract Quantifying past oxygen concentrations in oceans is crucial to improving understanding of current global ocean deoxygenation. Here, we use a record pore density the epibenthic foraminifer Planulina limbata from Peruvian Oxygen Minimum Zone reconstruct bottom waters Last Glacial Maximum Late Holocene at 17.5°S about 500 meters below sea surface. We found that levels were 40% lower durin...

Among the Tethyan larger porcelaneous foraminifera widespread from middle–late Eocene to middle Miocene, Austrotrillina Parr, 1942 is only genus showing a non-homogeneous shell structure. This consists of parakeriotheca, coated by thin, dense tectum. Four species (A. brunni, A. eocaenica, howchini, striata) have been often used as biostratigraphical markers in Mediterranean and Indo-Pacific are...

A latest Maastrichtian global warming event, which began approximately 450 k.y. and ended about 22 k.y. prior to the K/T boundary, is associated with the poleward migration of the warm-water planktonic foraminifer Pseudotextularia elegans. The warming event was apparently inititated by greenhouse warming due to the main outpouring of the Deccan Traps in India and is now well documented in the N...

Transient shape changes of organelles translocating along microtubules are directly visualized in thinly spread cytoplasmic processes of the marine foraminifer. Allogromia laticollaris, by a combination of high-resolution video-enhanced microscopy and fast-freezing electron microscopy. The interacting side of the organelle flattens upon binding to a microtubule, as if to maximize contact with i...