CATALOG OF ORIGINAL DESCRIPTIONS: Anomalina bentonensis Morrow 1934

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 -> A -> Anomalina -> Anomalina bentonensis
Other pages this level: A. bentonensis, A. breggiensis, A. lorneiana trocoidea, A. lorneiana typica, A. luxorensis, A. roberti,

Anomalina bentonensis

Citation: Anomalina bentonensis Morrow 1934
Rank: Species
Type locality: Sec. 31, T. 21 S., R. 22 W., Hodgeman County, KS
Type age: Cenomanian
Holotype Repository: Washington; USNM
Type & figured specimens: Plate 30, figures 4a-b; 75381

Linked specimens: USNM-75381

Current identification/main database link: Globigerinelloides bentonensis (Morrow, 1934)

Original Description
Test small, nearly symmetrical, slightly involute, periphery broadly rounded, earlier whorls partly exposed on both sides at the center; chambers inflated, increasng rather rapidly in size as added, quite uniform in shape, numbering 7-9 in last whorl; sutures strongly impressed, usually curving backward as they pass over the periphery; wall conspicuously perforated; aperture peripheral passing onto the dorsal side.

Size: Diamter of holotype 0.4 mm., thickness 0.2 m

Extra details from original publication
This species differs from any known to the writer by being more nearly planispiral and bilaterally symmetrical and in having a broad and evenly rounded periphery.
This species has been found only in the Greenhorn formation where it is common locally.


Morrow, A. L. (1934). Foraminifera and ostracoda from the Upper Cretaceous of Kansas. Journal of Paleontology. 8: 186-205. gs :: ::


Anomalina bentonensis compiled by the pforams@mikrotax project team viewed: 13-7-2020

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