Daughter taxa (time control age-window is: 0-800Ma) | ||||
Amphirhopalum straussii neptune records: | ||||
Amphirhopalum virchowii neptune records: 29 | ||||
Amphirhopalum ypsilon neptune records: 797 | ||||
Amphirhopalum sp. neptune records: 38 |
Catalog entries: Amphirhopalum
Original description: 3c. Tribus: Euchitonida. Porodiscida brachiata, brachiis cameratis in plano aequatoriali sitis et e margine disci radiantibus (saepe aculeis brachiorum terminalibus, saepe brachiis patagio vel vimento camerato conjunctis).
A. brachiis duobus oppositis.
AII. brachiis dichotomis aut ramosis.
IIa. sine patagio.
Translated description: 3c. Tribe: Euchitonida. Porodiscida with arms, the chambered arms being situated in the equatorial plane and radiating from the margin of the disk (often with terminal spines on the arms, and often with the arms joined by a patagium or chambered web).
A. With two opposite arms.
AII. With the arms dichotomous or branched.
IIa. Without patagium. (Translated from Latin by E.M.R. and W.R.R.)]
Remarks on original description: See Amphirrhopalum [RAMPW]
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Neogene Period (2.59-23.03Ma, base in Aquitanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Amphirhopalum compiled by the radiolaria@mikrotax project team viewed: 20-9-2024
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=203088 Go to Archive.is to create a permanent copy of this page - citation notes |