Foraminifera taxon details

Actinosiphon Vaughan, 1929 †

722359  (urn:lsid:marinespecies.org:taxname:722359)

accepted
Genus
Actinosiphon semmesi Vaughan, 1929 † (type by original designation)

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marine, brackish, fresh, terrestrial
fossil only
masculine
Vaughan, T. W. (1929). Actinosiphon semmesi, a new genus and species of orbitoidal foraminifera, and Pseudorbitoides trechmanni H. Douvillé. <em>Journal of Paleontology.</em> 3: 163-169.
page(s): p. 163, 166 [details]  Available for editors  PDF available [request] 
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2024). World Foraminifera Database. Actinosiphon Vaughan, 1929 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=722359 on 2024-03-28
Date
action
by
2013-03-08 13:53:47Z
created
2018-01-06 16:02:11Z
changed
2019-12-03 11:48:34Z
changed

original description Vaughan, T. W. (1929). Actinosiphon semmesi, a new genus and species of orbitoidal foraminifera, and Pseudorbitoides trechmanni H. Douvillé. <em>Journal of Paleontology.</em> 3: 163-169.
page(s): p. 163, 166 [details]  Available for editors  PDF available [request] 

basis of record 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] 
From editor or global species database
Diagnosis Test small to large, lenticular, equatorial chambers and well-developed lateral chambers present, megalospheric embryo of large subspherical protoconch and smaller reniform deuteroconch, followed by a spire of about eleven chambers, later with numerous polygonal to hexagonal equatorial chambers arranged in cycles, those of successive whorls may be poorly radially aligned or diagonally aligned, up to eight layers of well-developed lateral chambers near the center of the test decreasing to one or two layers toward the periphery, pillars present; wall of chamber roof and floor perforate, external surface papillate; equatorial chambers of same cycle communicate by medially placed stolons, communication with lateral chambers through small perforations. Paleocene; Mexico; Venezuela; Peru; India: Salt Range; Tibet. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]

Grammatical gender The ICZN specifies: "30.1.2. a genus-group name that is or ends in a Greek word transliterated into Latin without other changes takes the gender given for that word in standard Greek dictionaries."
σίφων is masculine in ancient Greek, the genus is masculine. [details]