radiolaria - rads_cenozoic - Lychnocanoma magnacornuta radiolaria - rads_cenozoic - Lychnocanoma magnacornuta

Lychnocanoma magnacornuta


Classification: rads_cenozoic -> Theoperidae -> Lychnocaniidae -> Lychnocanoma -> Lychnocanoma magnacornuta
Sister taxa: L. amphitrite, L. anacolum, L. apodora, L. auxilla, L. bajunensis, L. bandyca, L. bellum, L. costata, L. elongata, L. klausi, L. magnacornuta, L. nipponica, L. parallelipes, L. pileus, L. sphaerothorax, L. trifolium, L. tripodium, L. turgidum, L. sp.

Taxonomy

Citation: Lychnocanoma nipponica subsp. magnacornuta Sakai (1980)
Taxonomic rank: species
Basionym: Lychnocanoma nipponica magnacornuta
Taxonomic discussion: Sakai 1980

Catalog entries: Lychnocanoma nipponica magnacornuta

Original description: Shell of this subspecies is similar to that of Lychnocanoma nipponica nipponica except that its apical horn is markedly large40 to 70 per cent of the cephalis in width and 2.5 to 4.0 times the cephalis in length. 

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Neogene Period (2.59-23.03Ma, top in Piacenzian stage). Data source: Lazarus et al. 2015 - "N age group"
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Lazarus et al. 2015 - "N age group"

Plot of occurrence data:

References:

Ling, H-y. (1973). Radiolaria: Leg 19 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. 19: 777-797. gs

Morley, J. J. & Nigrini, C. A. (1995). Miocene to Pleistocene radiolarian biostratigraphy of North Pacific Sites 881, 884, 885, 886, and 887. Proceedings of the Ocean Drilling Program, Scientific Results. 145: 55-91. gs

Motoyama, I. (1996). Late Neogene radiolarian biostratigraphy in the subarctic Northwest Pacific. Micropaleontology. 42(3): 221-262. gs

Sakai, T. (1980). Radiolarians from Sites 434, 435 and 436, northwest Pacific, Leg. 56, DSDP. Initial Reports of the Deep Sea Drilling Project. 56-57: 695-733. gs


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Lychnocanoma magnacornuta compiled by the radiolaria@mikrotax project team viewed: 22-7-2026

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