radiolaria - rads_cenozoic - Plegmosphaera lepticali radiolaria - rads_cenozoic - Plegmosphaera lepticali

Plegmosphaera lepticali


Classification: rads_cenozoic -> Actinommidae -> Spongosphaeridae -> Plegmosphaera -> Plegmosphaera lepticali
Sister taxa: P. coelopila, P. entodictyon, P. exodictyon, P. lepticali, P. oblonga, P. pachypila, P. pachyplegma, P. sp.

Taxonomy

Citation: Plegmosphaera lepticali Renz 1976
taxonomic rank: species
Basionym: Plegmosphaera lepticali

Catalog entries: Plegmosphaera lepticali

Original description: Description: Hollow spongy oval shell with radii of axes ratio 1:3. Shell wall smooth, formed of a lattice plate with irregular polygonal meshes. Dimensions: (6 specimens) long axis: 120-288 µ, Md 164; short axis: 100-144 µ, Md 116.

Type locality: 11° N, 155°W, plankton, 125-200 m.

Remarks: This species differs from the other species in the subgenus Plegmosphaerantha Haeckel, in that its shell is egg-shaped or ellipsoidal while the others possess spherical shells. The specific name lepticali is an anagram of the word elliptica.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): Extant. Data source: Lazarus et al. 2015 - "R age group"
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Lazarus et al. 2015 - "R age group"

Plot of occurrence data:

References:


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Plegmosphaera lepticali compiled by the radiolaria@mikrotax project team viewed: 24-5-2024

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=205068 Go to Archive.is to create a permanent copy of this page - citation notes



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