Gyroidina sp. A
publication ID |
https://doi.org/ 10.26879/444 |
persistent identifier |
https://treatment.plazi.org/id/A029445F-E956-FFF3-4AB8-BDA67752A7A3 |
treatment provided by |
Felipe |
scientific name |
Gyroidina sp. A |
status |
|
Figures 34.9, 34.10 View FIGURE 34
Description. Test biconvex, umbilical side slightly more convex; six to seven chambers in final whorl; sutures on dorsal side gently curved backwards and radiating on umbilical side, not depressed; periphery round to subacute; umbilicus closed; aperture interiomarginal in the middle of apertural face; surface smooth and finely perforated.
Remarks. Due to poor preservation of specimens, we tentatively distinguish this species as sp. A.
Occurrence. A single specimen each from the Yonahama and Minebari formations.
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