Distinguishing features: Parent taxon (Broinsonia): Outer rim of V-units, with slight clockwise obliquity, visible on distal surface and form dark rim in LM; central-area spanned by an axial cross, grill or perforate plate. 3 tiers visible in side view. This taxon: Specimens not identified to species level
Wise-1983-pl29-2.JPG
Thomsen 1987 pl01 01.jpg
Thomsen 1987 pl22 12.jpg
Thomsen 1987 pl22 13.jpg
Hattner & Wise 1980 pl07 10.JPG
Hattner & Wise 1980 pl08 02.JPG
Wise & Wind 1977-DSDP36-pl29-3.JPG
Wise-1983-pl24-7.JPG
Wise-1983-pl24-8.JPG
Wise-1983-pl24-9.JPG
Wise-1983-pl29-1.JPG
Hattner & Wise 1980 pl08 01.JPG
Hattner & Wise 1980 pl08 03.JPG
Hattner & Wise 1980 pl08 04.JPG
Wise-1983-pl28-5.JPG
Kanungo et al 2020 f7 20-22.JPG
Bown_etal_1998 EK 5-12-23.jpg
Bown_etal_1998 EK 5-12-24.jpg
Bown_etal_1998 EK 5-12-25.jpg
Bown_in_Kennedy-2000_fig34-a.JPG
Bown_in_Kennedy-2000_fig34-b.JPG
Bown_in_Kennedy-2000_fig34-c.JPG
Burnett1998-6-08-21.jpg
Taxonomy:
Citation: Broinsonia sp.taxonomic rank: generic level id
Farinacci & Howe catalog pages:
Distinguishing features: Parent taxon (Broinsonia): Outer rim of V-units, with slight clockwise obliquity, visible on distal surface and form dark rim in LM; central-area spanned by an axial cross, grill or perforate plate. 3 tiers visible in side view. This taxon: Specimens not identified to species level
Morphology: We are using this category for images of specimens which can be identified to generic level but have not been definitively assigned to a single species.
Search data:
Lith size: 0->0µm;
The morphological data given here can be used on the advanced search page. See also these notes
Geological Range: Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source: First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:
Plot of occurrence data:
Range-bar - range as quoted above, pink interval top occurs in, green interval base occurs in.
Triangles indicate an event for which a precise placement has been suggested
Histogram - Neptune occurrence data from DSDP and ODP proceedings. Pale shading <50 samples in time bin. Interpret with caution & read these notes
Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Lower Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 86-131. gsO
Burnett, J. A. (1998). Upper Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 132-199. gsO
Hattner, J. G. & Wise, S. W. (1980). Upper Cretaceous calcareous nannofossil biostratigraphy of South Carolina. South Carolina Geology. 24: 41-117. gs
Kanungo, S., Bown, P. R. & Gale, A. S. (2020). Cretaceous (Albian-Turonian) calcareous nannofossil biostratigraphy of the onshore Cauvery Basin, southeastern India. Cretaceous Research. 118 [2021]: 1-22. gs
Kennedy, W. J. et al. (2000). Integrated stratigraphy across the Aptian-Albian boundary in the Marnes Bleues, at the Col de Pre _-Guittard, Arnayon (Drome), and at Tartonne (Alpes-de-Haute-Provence), France: a candidate Global Boundary Stratotype Section and Boundary Point for the base of the Albian Stage. Cretaceous Research. 21: 591-720. gs
Thomsen, E. (1987). Lower Cretaceous calcareous nannofossil biostratigraphy in the Danish Central Trough. Danmarks Geologiske Undersøgelse. 20: 1-89. gs
Wise, S. W. & Wind, F. H. (1977). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. Initial Reports of the Deep Sea Drilling Project. 36(269-491): -. gsO
Wise, S. W. (1983). Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. Initial Reports of the Deep Sea Drilling Project. 71: 481-550. gsO
Broinsonia sp. compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 15-9-2024
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Maurice Kevin Cooper
4
Apr 2017
Maurice Kevin Cooper
Jeremy is not the image with 21on it that Blair & Watkins 2009 assign to Reinhardtites clavicaviformis Varol 1991. I think the genus may be a problem I got a few images of this species
Jeremy Young
530
Jan 2017
Jeremy Young(UK)
Hi Kevin
Interesting comment - I have not put the Blair & Watkins paper in to te system - although Rich Howe has got it into the Catalog. I'll have to ask Jackie her opinion on the species.
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Wise-1983-pl29-2.JPG
Thomsen 1987 pl01 01.jpg
Thomsen 1987 pl22 12.jpg
Thomsen 1987 pl22 13.jpg
Hattner & Wise 1980 pl07 10.JPG
Hattner & Wise 1980 pl08 02.JPG
Wise & Wind 1977-DSDP36-pl29-3.JPG
Wise-1983-pl24-7.JPG
Wise-1983-pl24-8.JPG
Wise-1983-pl24-9.JPG
Wise-1983-pl29-1.JPG
Hattner & Wise 1980 pl08 01.JPG
Hattner & Wise 1980 pl08 03.JPG
Hattner & Wise 1980 pl08 04.JPG
Wise-1983-pl28-5.JPG
Kanungo et al 2020 f7 20-22.JPG
Bown_etal_1998 EK 5-12-23.jpg
Bown_etal_1998 EK 5-12-24.jpg
Bown_etal_1998 EK 5-12-25.jpg
Bown_in_Kennedy-2000_fig34-a.JPG
Bown_in_Kennedy-2000_fig34-b.JPG
Bown_in_Kennedy-2000_fig34-c.JPG
Burnett1998-6-08-21.jpg
Comments (2)
Jeremy is not the image with 21on it that Blair & Watkins 2009 assign to Reinhardtites clavicaviformis Varol 1991. I think the genus may be a problem I got a few images of this species
Hi Kevin
Interesting comment - I have not put the Blair & Watkins paper in to te system - although Rich Howe has got it into the Catalog. I'll have to ask Jackie her opinion on the species.
Jeremy