Foraminifera name details

Pseudohelenina Collins, 1974

520852  (urn:lsid:marinespecies.org:taxname:520852)

 unaccepted (subjective junior synonym in opinion of Hayward et al. (2021))
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  1. Species Pseudohelenina collinsi (Parr, 1932) accepted as Ammonia collinsi (Parr, 1932) (In opinion of Hayward et al. (2021))
marine, fresh, terrestrial
feminine
Collins, A. C. (1974). Port Phillip Survey 1957–63 Foraminiferida. <em>Memoirs of the National Museum of Victoria.</em> 35: 1-61., available online at https://biodiversitylibrary.org/page/39053549 [details]  Available for editors  PDF available [request] 
Type locality contained in Port Phillip Bay  
type locality contained in Port Phillip Bay [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Pseudohelenina Collins, 1974. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=520852 on 2024-04-13
Date
action
by
2010-09-17 12:15:07Z
created
2010-09-22 20:23:33Z
changed
2014-05-10 08:38:10Z
changed
2021-01-21 05:47:24Z
changed
2024-02-04 18:17:11Z
changed

original description Collins, A. C. (1974). Port Phillip Survey 1957–63 Foraminiferida. <em>Memoirs of the National Museum of Victoria.</em> 35: 1-61., available online at https://biodiversitylibrary.org/page/39053549 [details]  Available for editors  PDF available [request] 

additional source Hayward, B.W.; Holzmann, M.; Pawlowski, J.; Parker, J.H.; Kaushik, T.; Toyofuku, M.S.; Tsuchiya, M. (2021). Molecular and morphological taxonomy of living Ammonia and related taxa (Foraminifera) and their biogeography. <em>Micropaleontology.</em> 67: 109-313. [details]  Available for editors  PDF available [request] 

additional source Loeblich, A. R.; Tappan, H. (1987). Foraminiferal Genera and their Classification. Van Nostrand Reinhold Company, New York. 970pp., available online at https://books.google.pt/books?id=n_BqCQAAQBAJ [details]  Available for editors  PDF available [request] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Diagnosis Test trochospiral, biconvex, all of the two to three whorls visible on the more convex spiral side, chambers enlarging gradually, sutures depressed, oblique and curved back at the periphery, only the six chambers of the final whorl visible and sutures radial and depressed around the deeply indented umbilicus on the flatter umbilical side, the deeply incised sutures giving the appearance of sutural slits around the umbilicus, periphery broadly rounded, peripheral margin lobulate; wall calcareous, hyaline, optically radial, moderately coarsely perforate except for a small clear area on the distal face of the final chamber, surface smooth; primary aperture interiomarginal, umbilical, bordered with a small projecting flap, secondary sutural apertures on the spiral side, subtriangular in outline and extend along the spiral and septal sutures for a short distance, those of early chambers closed secondarily. Pleistocene to Holocene; Australia: Victoria. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]