Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
| Arachnocalpis ellipsoides neptune records: | ||||
| Arachnocalpis ovatiretalis neptune records: | ||||
| Arachnocalpis sp. neptune records: | ||||
Catalog entries: Arachnocalpis
Original description: 1a. Tribus: Archicorida. Monocyrtida aperta eradiata.
B. Archicorida corotiata (= Carpocanida), (Archicorida margine ostii dentium corona ornato).
BII. acuta (capitulo spinoso, non laevi)
IIb testa spinosa, multis spinis obtecta.
a+++ spallio arachnoideo.
Translated description: 1a. Tribe: Archicorida. Open monocyrtids without radial appendages.
B. Coronate Archicorida (= Carpocanida). (Archicorida with the apertura'l margin bearing a corona of teeth).
BII. Acute (cephalis spiny, not smooth).
IIb. Test spiny, covered with many spines.
a+++ Outer shell arachnoidal. (Translated from Latin by E.M.R. and W.R.R.)]
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Quaternary Period (0.00-2.59Ma, base in Gelasian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
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Arachnocalpis compiled by the radiolaria@mikrotax project team viewed: 22-7-2026
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203180 Go to Archive.is to create a permanent copy of this page - citation notes |