Amaurolithus tricorniculatus

Amaurolithus tricorniculatus (Gartner, 1967) Gartner and Bukry, 1975 [Ceratolithus]

Description: Right arm extended into apical spur.

Remarks:

Original description:

Ceratolithus tricorniculatus 100189.jpgCeratolithus tricorniculatus 100190.jpgCeratolithus tricorniculatus 100191.jpgCeratolithus tricorniculatus 100192.jpg

10-9tricorniculatus.JPG 10-12tricorniculatus-bizarrus.JPG 10-11tricorniculatus-bizarrus.JPG 10-10tricorniculatus.JPG

Variant: A. bizzarus (Bukry, 1973) Gartner and Bukry, 1975 [Ceratolithus] - an ornate variant of A. tricorniculatus, with additional spines. (NB In the original publication the species-name was spelt bizzarus, so it cannot be corrected to bizarrus, even though that would appear a more logical spelling).

Geological Time Data
Geological Time Periods: 
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
Scratchpads developed and conceived by: Vince Smith, Simon Rycroft, Dave Roberts, Ben Scott...