Foraminifera taxon details
Praecystammina Krasheninnikov, 1973 †
737733 (urn:lsid:marinespecies.org:taxname:737733)
accepted
Genus
Praecystammina globigerinaeformis Krasheninnikov, 1973 † (type by original designation)
marine, brackish, fresh, terrestrial
fossil only
feminine
Krasheninnikov, V. (1973). Cretaceous Benthonic Foraminifera, Leg 20, Deep Sea Drilling Project. <em>Initial Reports of the Deep Sea Drilling Project.</em> 20: 205-219., available online at https://doi.org/10.2973/dsdp.proc.20.111.1973
page(s): p. 211 [details] Available for editors [request]
page(s): p. 211 [details] Available for editors [request]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Praecystammina Krasheninnikov, 1973 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=737733 on 2024-03-29
Date
action
by
original description
Krasheninnikov, V. (1973). Cretaceous Benthonic Foraminifera, Leg 20, Deep Sea Drilling Project. <em>Initial Reports of the Deep Sea Drilling Project.</em> 20: 205-219., available online at https://doi.org/10.2973/dsdp.proc.20.111.1973
page(s): p. 211 [details] Available for editors [request]
page(s): p. 211 [details] Available for editors [request]
From editor or global species database
Diagnosis Test tiny, up to 0.27 mm in diameter, subglobose, streptospirally enrolled, with few chambers, commonly three per whorl, periphery broadly ovate; wall very finely agglutinated, surface smoothly finished; aperture areal, oval to slitlike, slightly above the base of the apertural face, and bordered by distinct lip. U. Cretaceous (Santonian to Campanian); NW Pacific in deep-sea cores. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]