|Daughter taxa (time control age-window is: 0-800Ma)|
Catalog entries: Sethodiscus
Original description: 1a. Tribus: Sethodiscida. Phaeodiscida laevia aut .aspera, sine aculeis marginalibus.
A. testa medullari simplici.
AI. testa lentiformi sine zona.
Translated description: 1a. Tribe: Sethodiscida. Smooth or rough Phacodiscida, without marginal spines.
A. With single medullary shell.
AI. With the test lentiform, without equatorial zone. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: [Haeckel (1887a, p.422) by his use of Sethodiscus indicates that Sethodiscus Haeckel, 1881a, p.430 is a junior homonym of Sethodiscus Haeckel, 1881a, p.457
Campbell, 1954, p.D78 replaced Sethodiscus Haeckel, 1881a, p.457 with Sethodiscinus Haeckel, 1887a, p.422]
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at base of Gelasian Stage (0% up, 2.6Ma, in Piacenzian stage). Data source: Total of range of species in this database
Plot of occurrence data:
Sethodiscus compiled by the radiolaria@mikrotax project team viewed: 28-9-2023
Short stables page link: https://mikrotax.org/radiolaria/index.php?id=205370 Go to Archive.is to create a permanent copy of this page - citation notes