Foraminifera taxon details

Ammoastuta Cushman & Brönnimann, 1948

415042  (urn:lsid:marinespecies.org:taxname:415042)

accepted
Genus
Ammoastuta salsa Cushman & Brönnimann, 1948 (type by original designation)

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marine, brackish, fresh, terrestrial
feminine
Cushman, J.A.; Brönnimann, P. (1948). Some new genera and species of foraminifera from brackish water of Trinidad. <em>Contribution to Laboratory for Foraminiferal Research.</em> 24(1): 15-21., available online at https://cushmanfoundation.org/PersonifyEbusiness/Portals/0/pdf/pubarchive/cclfr/24cclfr1.pdf
page(s): p. 17 [details]  Available for editors  PDF available [request] 
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Ammoastuta Cushman & Brönnimann, 1948. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=415042 on 2024-04-19
Date
action
by
2009-09-23 14:01:30Z
created
db_admin
2010-06-21 08:40:58Z
changed
2013-08-19 08:33:20Z
changed
2014-03-07 08:24:41Z
changed
2017-04-21 13:50:47Z
changed
2020-05-20 06:14:47Z
changed

original description Cushman, J.A.; Brönnimann, P. (1948). Some new genera and species of foraminifera from brackish water of Trinidad. <em>Contribution to Laboratory for Foraminiferal Research.</em> 24(1): 15-21., available online at https://cushmanfoundation.org/PersonifyEbusiness/Portals/0/pdf/pubarchive/cclfr/24cclfr1.pdf
page(s): p. 17 [details]  Available for editors  PDF available [request] 
From editor or global species database
Diagnosis Test compressed, ovate to flabelliform proloculus followed by second chamber growing in opposite direction, in an incipient tight coil, then uniserial, with a few small rectilinear chambers that increase in length as added, finally followed by elongate adult chambers with a slightly curved axis that each occupy about one-half the test periphery, the bulging basal part of the chambers enclosing the corresponding part of earlier adult chambers; wall agglutinated on an organic base, surface smoothly finished; primary aperture areal, a curved transverse slit near the midpoint of the apertural face, secondary cribrate openings on the bulging proximal end of the adult chambers. U. Cretaceous (Turonian to Santonian): Nigeria; S. Chad; U. Eocene or Oligocene: Colombia; Holocene: USA: Louisiana; Caribbean mangrove swamps in Trinidad, West Indies; Panama; Ecuador, Brazil. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]