Brönnimann, P.; Van Dover, C. L.; Whittaker, J. E. (1989). Abyssotherma pacifica, n. gen., n. sp., a Recent Remaneicid (Foraminiferida, Remaneicacea) from the East Pacific Rise. Micropaleontology. 35(2): 142-149.

285850

10.2307/1485465 [view]

Brönnimann, P.; Van Dover, C. L.; Whittaker, J. E.

1989

35(2): 142-149

Publication

A new Recent remaneicid, Abyssotherma pacifica, occurs in recruitment arrays placed in the vicinity of deep-sea (2600 m) hydrothermal springs in the East Pacific. It has quite a large (d. 500-1200 µm) watchglass-shaped test, characterized by elongate ridges on the sutures of the spiral side, asymmetric and mushroom-shaped chambers on the umbilical side and an interior subdivided by secondary septa. A close homeomorph of the shallow, brackish-water species Bruneica clypea Brönnimann, Keij and Zaninetti, it differs in possessing two apertures per chamber in contrast to the single interiomarginal aperture of Bruneica.

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