radiolaria - rads_cenozoic - Lophophaena thaumasia radiolaria - rads_cenozoic - Lophophaena thaumasia

Lophophaena thaumasia


Classification: rads_cenozoic -> Plagiacanthidae -> Lophophaenidae -> Lophophaena -> Lophophaena thaumasia
Sister taxa: L. apiculata, L. arctissa, L. arie, L. buetschlii, L. capito, L. circumtexta, L. clevei, L. cylindrica, L. decacantha, L. galeaorci, L. hispida, L. josephinus, L. macrencephala, L. mugaica, L. nadezdae, L. radians, L. rioplatensis, L. sibirica, L. simplex, L. tekopua, L. thaumasia, L. variabilis, L. witjazii, Lophophaenoma, L. sp., Lophophaenoma sp.

Taxonomy

Citation: Lophophaena thaumasia Caulet 1991
Taxonomic rank: species
Basionym: Lophophaena thaumasia
Taxonomic discussion: Caulet 1991

Catalog entries: Lophophaena thaumasia

Original description: Two-segmented shell. Cephalis small, with two small dorso-lateral lobes, largely coalesced with the thorax. Apical spine included in the cephalic wall, protruding as a strong three-bladed apical horn as long as the cephalis. Vertical spine short, prolonged into an external, strong vertical spine, three-bladed. Lateral and dorsal spines extending briefly through the upper part of the thoracic wall. Collar stricture not marked. Pores subcircular, of various sizes, in irregular order. Termination ragged.

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:

Caulet, J. (1991). Radiolarians from the Kerguelen Plateau, Leg 119. Proceedings of the Ocean Drilling Program, Scientific Results. 119: 513-546. gs


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Lophophaena thaumasia compiled by the radiolaria@mikrotax project team viewed: 17-7-2026

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