Larcopyle frakesi

Classification: rads_cenozoic -> Pyloniidae -> Larcopyle -> Larcopyle frakesi
Sister taxa: L. augusti, L. buetschlii, L. eccentricum, L. frakesi, L. hayesi, L. labryinthusa, L. labyrinthusa, L. nebulum, L. peregrinator, L. polyacantha, L. pylomaticus, L. titan, L. weddellium, L. sp.


Citation: Larcopyle frakesi (Chen) Lazarus et al. 2005
Rank: species
Basionym: Prunopyle frakesi Chen 1975

Catalog entries: Prunopyle frakesi

Original description: Cortical shell prune-shaped, thick-walled; pores small, circular, tubelike, of uniform size, evenly distributed. Medullary shell consisting of a spiral, dense, spongy disk (plate 1, figures 4, 6) at the center and a loose meshwork (plate 1, figure 5) at the margin. Pylome small circular, and surrounded by 7-12 conical spines of variable lengths.
(Based on 35 specimens from 274-21-3, 54-64cm.; 274-21, CC; 274-22, CC; and 274-23, CC.)
Major axis of shell 270-342ยต. Minor axis of shell 198-297.Ratio of major axis to minor axis 1.12-1.30. Distinguishing characters (rw): This species differs from other species of this genus in having a spongy core and small tubelike pores on the cortical shell.


Biogeography and Palaeobiology

Similar species: frakesi

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within Paleogene Period (23.03-66.04Ma, top in Chattian stage). Data source: Lazarus et al. 2015 - "P age group"
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Lazarus et al. 2015 - "P age group"

Plot of occurrence data:



Larcopyle frakesi compiled by the radiolaria@mikrotax project team viewed: 30-7-2021

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