CATALOG OF ORIGINAL DESCRIPTIONS: Spongurus spatulaeformis Clark & Campbell 1942

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 -> S -> Spongurus -> Spongurus spatulaeformis
Other pages this level: S. biconstrictus, S. biconstrictus triangulatus, S. bilobatus, S. cauleti, S. crispus, S. crowleysensis, S. cylindricus, S. cylindricus jh, S. elongatus, S. illepidus, S. irregularis, S. occidentalis, S. ovatus, S. phalanga, S. pylomaticus, S. pylomaticus borealis, S. radians, S. saxeus, S. smithi, S. spatulaeformis, S. spongechinus, S. stoehri, S. stuparius, S. stypticus, S. tricolus, S. yatsuoensis

Spongurus spatulaeformis

Citation: Spongurus spatulaeformis Clark & Campbell 1942
Rank: species
Type specimens: pl.1, fig.15
Type repository: University of California, Museum of Paleontology, San Francisco
Described on page(s) : p.36
Family (traditional): Spongodiscidae
Family (modern): Euchitoniidae

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Current identification/main database link: Spongurus spatulaeformis Clark & Campbell 1942


Original Description
Shell generally cylindrical, nearly three times longer than wide, with two equal, equidistant, angular, spatulalike lobes at the opposite ends, the ventral region as long as both lobes, this region not swollen, the necks separating lobes and midregion very dense, the reticulum being of similar structure through the whole shell, bars of the meshes very thin.

Length, 200µm; breadth, 50µm; lobes, 50 by 50µm, necks, 40µm. Distinguishing characters (rw): Spongurus spatulaeformis n. sp. resembles S. bilobatus n. sp. but has differently shaped lobes, these being inadequately shown in the photograph which was taken at a focus that does. not emphasize them, less swollen midregion, coarser mesh, and relatively thicker necks, separating the lobes and midregion.

Editors' Notes
[The authors here list this species under the subgeneric name Spongurantha and include the subgeneric name in the species name.

References:

Clark, B. L. & Campbell, A. S. (1942). Eocene radiolarian faunas from the Mt. Diablo area, California. Geological Society of America, Special Papers. 39: 1-112. gs


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Spongurus spatulaeformis compiled by the radiolaria@mikrotax project team viewed: 5-12-2020

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