.jpg)
Lophophaena arie 109a (edf).jpg
Lophophaena arie 109b.jpg.jpg)
Lophophaena arie 109d (edf).jpg
.jpg)
Lophophaena arie 109a (edf).jpg
Lophophaena arie 109b.jpg.jpg)
Lophophaena arie 109d (edf).jpgCatalog entries: Lophophaena arie
Original description:
Diagnosis. Large Lophophaena with a cephalis that reaches its widest point near the top, and is flattened on the dorsal side where the apical spine is fused to the wall.
Description. This species is relatively large, with a high cephalis that becomes progressively wider toward the top until a point ~3⁄4 of the way up, where it rounds smoothly toward the apex. The apical spine runs along the wall of the cephalis, and extends as a very short, thornlike spine where the cephalis reaches its maximum width. Pores on the cephalis are small, closely spaced, and regular in size and shape. They are close in size to those on the thorax, but may be slightly smaller. The neck area is long, and exhibits a bulge on the dorsal side where the AD and AL arches run along the shell wall. The ventral spine protrudes approximately perpendicular to the apical spine, and can be bladed and triangular in shape. The dorsal and lateral spines extend as thick appendages near the top of the thorax.
Geological Range:
Last occurrence (top): within Late Pleistocene Sub-Epoch (0.01-0.13Ma, top in Tarantian stage). Data source:
First occurrence (base): within Late Miocene Sub-Epoch (5.33-11.62Ma, base in Tortonian stage). Data source:
Plot of occurrence data:
Trubovitz, S., Renaudie, J., Lazarus, D. & Noble, P. (2022). Late Neogene Lophophaenidae (Nassellaria, Radiolaria) from the eastern equatorial Pacific. Zootaxa. 5160: 1-158. gsReferences:
 |
Lophophaena arie compiled by the radiolaria@mikrotax project team viewed: 11-9-2024
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=206351 Go to Archive.is to create a permanent copy of this page - citation notes |