Foraminifera taxon details
Pseudastrorhiza Eisenack, 1932 †
737321 (urn:lsid:marinespecies.org:taxname:737321)
accepted
Genus
Pseudastrorhiza silurica Eisenack, 1932 † (type by original designation)
Parvistellites O. Wetzel, 1951 † · unaccepted > junior subjective synonym (Opinion of Loeblich & Tappan, 1987)
- Species Pseudastrorhiza baccula Gutschick, Weiner & Young, 1961 †
- Species Pseudastrorhiza conica Gutschick, Weiner & Young, 1961 †
- Species Pseudastrorhiza delicata Gutschick & Treckman, 1959 †
- Species Pseudastrorhiza digitata Gutschick, Weiner & Young, 1961 †
- Species Pseudastrorhiza dilloni Conkin & Conkin, 1981 †
- Species Pseudastrorhiza hospitalis (Wetzel, 1951) †
- Species Pseudastrorhiza irregularis Dunn, 1942 †
- Species Pseudastrorhiza lanceola Gutschick, Weiner & Young, 1961 †
- Species Pseudastrorhiza regularis Dunn, 1942 †
- Species Pseudastrorhiza silurica Eisenack, 1932 †
- Species Pseudastrorhiza zadonica Manukalova-Grebenyuk, 1974 †
- Species Pseudastrorhiza obtusiconus Langer, 1969 † accepted as Salpingothurammina obtusiconus (Langer, 1969) † (Opinion of Vachard et al. (2018) [Salpingthurammina?])
- Species Pseudastrorhiza silurica Eisenack Em. Eisenack, 1954 † accepted as Pseudastrorhiza silurica Eisenack, 1932 †
marine, brackish, fresh, terrestrial
fossil only
feminine
Eisenack, A. (1932). Neue Mikrofossilien des baltischen Silurs, II. (Foraminiferen, Hydrozoa, Chitinozoa, u.a.). <em>Paläontologische Zeitschrift.</em> 14(4): 256-275., available online at https://doi.org/10.1007/BF03042096
page(s): p. 259 [details] Available for editors
[request]
page(s): p. 259 [details] Available for editors

Diagnosis Test free, with three to seven short, thick radiating arms that are closed and bluntly rounded at the ends; wall...
Diagnosis Test free, with three to seven short, thick radiating arms that are closed and bluntly rounded at the ends; wall agglutinated of a single layer of fine quartz grains; apertural opening not observed. Ordovician: Esthonia; L. Carboniferous (Tournaisian), Mississippian (Osagian): USA: Utah; Paleocene (Danian) glacial pebble: Germany. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Pseudastrorhiza Eisenack, 1932 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=737321 on 2025-05-23
Date
action
by
original description
Eisenack, A. (1932). Neue Mikrofossilien des baltischen Silurs, II. (Foraminiferen, Hydrozoa, Chitinozoa, u.a.). <em>Paläontologische Zeitschrift.</em> 14(4): 256-275., available online at https://doi.org/10.1007/BF03042096
page(s): p. 259 [details] Available for editors
[request]
original description (of Parvistellites O. Wetzel, 1951 †) Wetzel, O. (1951). Mikroskopische Reste von Kalkorganismen als Feuersteinfossilien besonderen Aussehens, Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 94:112-120.
page(s): p. 113 [details]
page(s): p. 259 [details] Available for editors

original description (of Parvistellites O. Wetzel, 1951 †) Wetzel, O. (1951). Mikroskopische Reste von Kalkorganismen als Feuersteinfossilien besonderen Aussehens, Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 94:112-120.
page(s): p. 113 [details]
From editor or global species database
Diagnosis Test free, with three to seven short, thick radiating arms that are closed and bluntly rounded at the ends; wall agglutinated of a single layer of fine quartz grains; apertural opening not observed. Ordovician: Esthonia; L. Carboniferous (Tournaisian), Mississippian (Osagian): USA: Utah; Paleocene (Danian) glacial pebble: Germany. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
From editor or global species database
Image from typetaxon