Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
| Archicorys sp. neptune records: | ||||
Catalog entries: Archicorys
Original description: 1a. Tribus: Archicorida. Monocyrtida aperta eradiata.
A. Archicorida limbati (= Cyrtocalpida). (Archicorida margine ostii laevi aut succiso).
A II. acuta (capitulo spinoso, non laevi).
Ia. testa oviformi, ostio coarctato.
a+ spina capituli unica.
Translated description: 1a. Tribe: Archicorida. Open monocyrtids without radial appendages.
A. Bordered Archicorida (= Cyrtocalpida). (Archicorida with the apertural margin smooth or truncate).
AII. Acute (cephalis spiny, not smooth).
Ia. Test ovate, aperture constricted.
a+ Cephalis with one spine. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description:
Rare use in Eocene, Challenger surface sediments, or as syn for other genus, misuse for other forms. Poorly defined, may well be syn only but for now valid. Placed in Theoperidae -dbl
Geological Range:
Last occurrence (top): Extant. Data source: Total of range of species in this database
First occurrence (base): at top of No known fossil record modern (100% up, 0Ma, in "Holocene" stage). Data source: Total of range of species in this database
Plot of occurrence data:
Missing or ambiguous references: ; References:

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Archicorys compiled by the radiolaria@mikrotax project team viewed: 9-12-2025
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203226 Go to Archive.is to create a permanent copy of this page - citation notes |