Oridorsalis umbonatus (Reuss, 1851)Class: Rotaliata Subclass: Rotaliana Order: Chilostomellida Family: Oridorsalidae
found at Challenger Station 305 Patagonia and off Chile from 219m depth
Geological Time: Quaternary Holocene recent
The scan of this drawing from Bradys HMS Challenger Report is made by Dr. David Bossard and used by his permission.
© Dr. David C. Bossard, 19thcenturyscience.org.
HMS Challenger Collection
View of a specimen of Oridorsalis umbonatus (Reuss, 1851)
The identification is based upon:
Jones, Robert Wynn, 1994: The Challenger Foraminifera Oxford Univ Press 416 pp. Plate 95, Fig. 11
dataset number: FEU-1005165