radiolaria - rads_cat - Cornutella obtusa radiolaria - rads_cat - Cornutella obtusa

CATALOG OF ORIGINAL DESCRIPTIONS: Cornutella obtusa Ehrenberg 1844

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 -> C -> Cornutella -> Cornutella obtusa
Other pages this level: << < C. circularis, C. clathrata, C. clathrata profunda, C. clava, C. cucullaris, C. curvata, C. distenta, C. fimbriata, C. floridae, C. gracilis, C. granulata, C. hexagona, C. lithocampe, C. longiseta, C. mitra, C. obtusa, C. paloverdensis, C. paloverdensis lata, C. pseudoclathrata, C. pseudoprofunda, C. pygmaea, C. quadratella, C. reticularis [nomen nudum], C. scalaris, C. sethoconus, C. spiniceps, C. spiralis, C. stiligera, C. stylophaena, C. trichostyla, C. trochus> >>

Cornutella obtusa

Citation: Cornutella obtusa Ehrenberg 1844
Taxonomic rank: species
Described on page(s) : p.77
Type repository: Ehrenberg's collection, Museum für Naturkunde, Berlin
Family (traditional): Plagiacanthidae
Family (modern): Lophophaenidae

Current identification/main database link: Dictyocephalus obtusus (Ehrenberg 1844)


Original Description

C. lorica oblonga recta, fronte truncata media constricta postrema parte late rotundata, ocellis sparsis. An Litbobotrys? Diam. 1/32"’.

E Charactere generis forma curn nunc eliminari debet.

[Cornutella? obtusa: Cornutella with a straight, rather long shell; anterior truncated; middle constricted; posterior part broadly rounded; pores sparse. Related to Lithobotrys? Diam. 70 µ.

Curved forms ought now to be eliminated from the generic characterization. (Translation from Latin by E.M.R. and W.R.R.)]

Etymology:
Latin obtusus, -a, -um = dull

Editors' Notes
[= Lophophaena (?) obtusa [Ehrenberg]]

Species name. Differs at head of descriptive text (p. 77) and in chart (p. 63). In the former the question mark follows the generic name and in the latter it precedes the specific name.

References:

Cortese, G. & Bjørklund, K. R. (1999). Radiolarians from the cyclic Messinian diatomites of Falconara (Sicily, Italy). Geodiversitas. 21(4): 593-624. gs

Ehrenberg, C. G. (1844e). Uber 2 neue Lager von Gebirgsmassen aus Infusorien als Meeres-Absatz in Nord-Amerika und eine Vergleichung derselben mit den organischen Kreide-Gebilden in Europa und Afrika. Bericht uber die zu Bekanntmachung geeigneten Verhandlungen der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1844: 57-97. gs

Ehrenberg, C. G. (1854b). Mikrogeologie. Das Erden und Felsen schaffende Wirken des unsichtbar kleinen selbststandigen Lebens auf der Erde. Leopold Voss, Leipzig, Germany. 1-374. gs O


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Cornutella obtusa compiled by the radiolaria@mikrotax project team viewed: 13-9-2026

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