User login
Palaeogene
(9)
Coccolithales (2)
Discoasterales (4)
Holococcoliths (1)
Isochrysidales (2)
Syracosphaerales (3)
Zygodiscales (3)
Search
Neogene
(8)
random image
Who's online
There are currently 0 users and 11 guests online.
Recent blog posts
Statistics
- Pages: 4127
- Users: 205
- Total Page Views: 442745
Recent comments
- zone of lower cretaceousomranzamin (not verified)
- C.carlae as a marker in the Pliocenemstyzen
- The Coccolithales is aJeremy Young
- Oligocene nannofossil. IndexNidal (not verified)
- Cocolithales Zonestratigraphy (not verified)
Helicosphaera ampliaperta
print this pageDescription
Helicosphaera ampliaperta
Mon, 19/11/2007 - 15:01 — Anonymous
Helicosphaera ampliaperta Bramlette and Wilcoxon, 1967
Description: Similar to H. carteri but central-area open, and wing weaker.
Remarks:The wing can be indistinct making it possible to mistake H. ampliaperta for a placolith coccolith.
Range: NN2 to 4.
Original description:
Variant: H. porosa Lehotayova, 1985 - with grill in central-area.
Comment and discussion:
Images
Web Images
