Liriospyris parkerae


Classification: rads_cenozoic -> Trissocyclidae -> Acanthodesmiidae -> Liriospyris -> Liriospyris parkerae
Sister taxa: L. clathrata, L. cricus, L. elevata, L. geniculosa, L. globosa, L. hexapoda, L. insulae, L. longicornuta, L. mutuaria, L. ovalis, L. parkerae, L. reticulata, L. spinulosa, L. stauropora, L. sp.

Taxonomy

Citation: Liriospyris parkerae Riedel & Sanfilippo 1971
Rank: species
Basionym: Liriospyris parkerae
Taxonomic discussion: Riedel and Sanfilippo, 1971 p 1590 pl 2C fig 15 pl 5 fig 4

Catalog entries: Liriospyris parkerae

Original description: Sagittal ring D-shaped, with a furrow on the anterior and posterior sides. Four collar pores, separated by the median and sternal (in the sense of Goll) bars and the primary lateral spines, are enclosed within the basal ring. The remainder of the skeleton is a simple longitudinally furrowed frontal ring, except that it is divided apically to join the upper part of the sagittal ring at two points. There is no apical spine, and the vertical spine is represented by a short thorn. At the base of the apical bar of the sagittal ring is a single small pore, near which can be distinguished two very small secondary lateral bars, and near the base of the vertical bar is a pair of small pores and near them a sternal bar (in the sense of Goll, 1968).

(Based on 25 specimens) Height of sagittal ring 50-70 µ, total width of skeleton 95-125 µ. Distinguishing characters (rw): This species differs from Liriospyris stauropora, its immediate ancestor, in that the band-like lattice-shell of that species is here reduced to a poreless bar. Phylogeny (rw): Liriospyris stauropora, its immediate ancestor

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:

Riedel, W. R. & Sanfilippo, A. (1971). Cenozoic Radiolaria from the western tropical Pacific, Leg 7. Initial Reports of the Deep Sea Drilling Project. 7: 1529-1666. gs


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Liriospyris parkerae compiled by the radiolaria@mikrotax project team viewed: 31-10-2020

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Short stable page link: http://mikrotax.org/radiolaria/index.php?id=204450 Go to Archive.is to create a permanent copy of this page - citation notes



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