Distinguishing features: Cretarhabdids with large, wide, strongly concavo-convex ?proximal shield, narrow ?distal shield and central-area spanned by an axial cross and lateral bars.
Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
![]() | ![]() | ![]() | Pickelhaube furtiva Cretarhabdids with large, wide, strongly concavo-convex proximal shield, narrow distal shield; central-area with axial cross and lateral bars. | |
Pickelhaube umbellatum | ||||
![]() | Pickelhaube sp. Specimens not identified to species level |
Taxonomy:
Farinacci & Howe catalog pages: Pickelhaube *
Distinguishing features: Cretarhabdids with large, wide, strongly concavo-convex ?proximal shield, narrow ?distal shield and central-area spanned by an axial cross and lateral bars.
Search data:Tags | LITHS: placolith, elliptical, CA: cross-axial, ca_disjunct, grill, process, CROSS-POLARS: rim-unicyclic, R-prominent, |
Metrics | Lith size: 6->11µm; Data source notes: size range of included species |
Geological Range:
Last occurrence (top): in lower part of Campanian Stage (26% up, 80.6Ma, in Campanian stage). Data source: Total of range of species in this database
First occurrence (base): at base of Tithonian Stage (0% up, 152.1Ma, in Tithonian stage). Data source: Total of range of species in this database
Plot of occurrence data:
Bown, P. R., Rutledge, D. C., Crux, J. A. & Gallagher, L. T. (1998). Early Cretaceous. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series. 86-131. gs Covington, J. M. & Wise, S. W. (1987). Calcareous nannofossil biostratigraphy of a Lower Cretaceous deep-sea fan complex: Deep Sea Drilling Project Leg 93 Site 603, lower continental rise off Cape Hatteras. Initial Reports of the Deep Sea Drilling Project. 93: 617-660. gs V OReferences:
![]() |
Pickelhaube compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 22-4-2021
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10903 Go to Archive.is to create a permanent copy of this page - citation notes |