CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia delrioensis Plummer 1931

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: pf_cat -> G -> Globorotalia -> Globorotalia delrioensis
Other pages this level: << < G. crassacarina, G. crassaconica, G. crassacrotonensis, G. crassaformis ronda, G. crassata aequa, G. crassula, G. crater, G. crosswicksensis, G. crotonensis, G. crozetensis, G. crystalriverensis, G. cushmani, G. dalii, G. decorata, G. dehiscens, G. delrioensis, G. denseconnexa, G. dolabrata, G. dominicana, G. edgari, G. ehrenbergi, G. emilei, G. extans, G. faragi, G. flabelliformis, G. fohsi, G. fohsi robusta, G. formosa formosa, G. formosa gracilis, G. gavalae, G. gemma, > >>

Globorotalia delrioensis

Citation: Globorotalia delrioensis Plummer 1931
Rank: Species
Type locality: Station 226-T-10, on right bank of Shoal Creek, in a steep slope just south of 34th street bridge in Austin, Travis County, TX
Type sample and level: Del Rio Formation
Holotype Repository: Ithaca, NY; Paleontologic Res inst, Plummer Collection
Type & figured specimens: S-841

Current identification/main database link: Praeglobotruncana delrioensis (Plummer, 1931)


Original Description
Test broadly elliptical to round in peripheral outline, strongly lobate, singly carinate, about equally biconvex, periphery marked by short, conspicuous, spinose processes; chambers 5 or six in each convolution, roughened somewhat by small blunt beadlike elevations of shell matter especially toward the peripheral margin on each side; dorsal sutures marked by beaded shell material, moderately curved; ventral sutures depressed and radiate; umbilicus distinct, small, shallow, closed; aperture a narrow slit on the inner edge of the base of the septal face under a narrow extended rim. Average diameter about .3 mm.

References:

Bolli, H. M., Loeblich, A. R. & Tappan, H. (1957). Planktonic foraminiferal families Hantkeninidae, Orbulinidae, Globorotaliidae and Globotruncanidae. In, Loeblich, A. R. , Jr. , Tappan, H. , Beckmann, J. P. , Bolli, H. M. , Montanaro Gallitelli, E. & Troelsen, J. C. (eds) Studies in Foraminifera. U.S. National Museum Bulletin. 215: 3-50. gs

Falzoni, F., Petrizzo, M. R., Jenkyns, H. C., Gale, A. S. & Tsikos, H. (2016). Planktonic foraminiferal biostratigraphy and assemblage composition across the Cenomanian–Turonian boundary interval at Clot Chevalier (Vocontian Basin, SE France). Cretaceous Research. 59: 69-97. gs

Plummer, H. J. (1931b). Some Cretaceous foraminifera in Texas. University of Texas Bulletin. 3101: 109-203. gs

Robaszynski, F., Caron, M. & le Groupe de Travail Européen des Foraminifères Planctoniques (1979). Atlas des Foraminiféres Planctoniques du Crétace Moyen (Mer Boréale et Téthys). Cahiers de Micropaléontologie,. 1 & 2: 1-185. gs


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Globorotalia delrioensis compiled by the pforams@mikrotax project team viewed: 5-12-2019

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