Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | Lithatractus timmsi neptune records: 87 | |||
Lithatractus sp. neptune records: 12 |
Catalog entries: Lithatractus
Original description: Druppulida with simple ellipsoidal cortical shell and simple medullary shell, with two large opposite polar spines in the main axis of equal size and similar form.
Morphology:
Size:
Geological Range:
Last occurrence (top): at top of Piacenzian Stage (100% up, 2.6Ma, in Piacenzian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Aquitanian Stage (0% up, 23Ma, in Aquitanian stage). Data source: Total of range of species in this database
Plot of occurrence data:
Haeckel, E (1887). Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873-1876. 18: 1-1803. gsReferences:
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Lithatractus compiled by the radiolaria@mikrotax project team viewed: 7-7-2022
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=204469 Go to Archive.is to create a permanent copy of this page - citation notes |