Species found in “Punta Huinay, Patagonia” (11)

Cibicidoides dispars

Order “Rotaliida” > Family “Incertae sedis” > Genus “Cibicidoides

Original description Orbigny, A. D`., 1839, Pitoit-Levrault, Paris
Further reference Schweizer, M., Fontaine, D., Pawlowski, J., 2011, Revue de Micropaléontologie, 54, 175-182 (617 KB)

General description

Cibicidoides dispars was originally described in Falkland Islands samples as Truncatulina dispars and its test was characterized by a significant difference in porosity between the umbilical (small pores) and the spiral (large pores) sides.The species lives at shelf to upper bathyal depths in temperate waters with moderately low food supply, attached to substrates in high energetic environments.

Representative pictures

Cibicidoides dispars
7 specimens

Cibicidoides variabilis

Order “Rotaliida” > Family “Incertae sedis” > Genus “Cibicidoides

Original description Orbigny, A. D’, 1826, Annales du Museum d’Histoire Naturelles, Paris, 7, 1-275
Further reference Schweizer, M., Fontaine, D., Pawlowski, J., 2011, Revue de Micropaléontologie, 54, 175-182 (617 KB)

General description

The coiling is regular in the first whorl (juvenile stages), but becomes completely chaotic during the later growth stages with coarse porosity on both sides.

Representative pictures

Cibicidoides variabilis
8 specimens