radiolaria - rads_cat - Aspis murus


This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.

Higher levels: rads_cat -> A -> Aspis -> Aspis murus
Other pages this level: A. murus, A. velutochlamydosaurus

Aspis murus

Citation: Aspis murus Nishimura 1992
Rank: species
Described on page(s) : p.358
Type specimens: pl.10, figs.4,5,9; pl.13, fig.12
Type repository: Holotype n° LMMN AN0027-4, and paratypes n° LMMN AN0035-1, Laboratory of the Microfossil's study of Matsumoto, Nagano, Japan
Family (traditional): Artostrobiidae
Family (modern): Nassellaria

Current identification/main database link: Aspis murus Nishimura 1992

Original Description

Shell of three (?) segments; cephalis quite irregularly shaped, very thick-walled, with rather large pores with polygonal pore-frames, fairly rough-surfaced and covered with many irregular short tubes (?) externally; internal cephalic skeletal elements invisible; it is uncertain whether the skeletal elements were broken or not present. Thorax cylindrical, slightly widening distally, thick-walled, penetrated by many circular pores with polygonal pore-frames regularly longitudinally arranged, becoming larger distally. Marked constriction at the lumbar stricture; abdomen (?) broken, not constricted, widely opened distally, rather thin-walled.

Based on 15 specimens. Overall height 125-155 µ, maximum width of thorax 64-70 µ and of cephalis 32-50 µ. Distinguishing characters (rw): This form is distinguished from Aspis velutochlamydosaurus as described under that species.



murusis derived from the Latin, meaning rampart.

Extra details from original publication

Editors' Notes


Nishimura, A. (1992). Paleocene radiolarian biostratigraphy in the northeast Atlantic at Site 384, Leg 43, of the Deep Sea Drilling Project. Micropaleontology. 38(4): 317-362. gs


Aspis murus compiled by the radiolaria@mikrotax project team viewed: 29-11-2022

Taxon Search:
Advanced Search

Short stable page link: Go to to create a permanent copy of this page - citation notes

Comments (0)

No comments yet on this page. Please do add comments if you spot any problems, or have information to share

Add Comment

* Required information
Captcha Image
Powered by Commentics