Dbk: Created page with "'''Base''': The base of the zone is immediately below the first appearance of the index species (Gale, 1995). '''Top''': The top of the zone is immediately above the last occ..."

2013-09-26T11:58:59Z

Created page with "'''Base''': The base of the zone is immediately below the first appearance of the index species (Gale, 1995). '''Top''': The top of the zone is immediately above the last occ..."

New page

'''Base''': The base of the zone is immediately below the first appearance of the index species (Gale, 1995).

'''Top''': The top of the zone is immediately above the last occurrence of the index species (Gale, 1995).

'''Range of index species''': The zone is coincident with the total range of the index species (Gale, 1995).

'''Key fauna''':
{| class="Wikitable"
| Bivalvia: || ''Inoceramus'' ex gr. ''pictus''
|-
| ||''Pycnodonte vesiculare''
|-
| Ammonoidea: ||''Neocardioceras juddii''
|-
| ||''Sciponoceras'' sp. (locally abundant)
|}
'''Faunal abundance & preservation''': ''Sciponoceras'' is abundant at several levels in the zone, but is usually found as poorly preserved fragments of internal moulds.

'''Bio-markers''': Gale (1996) recorded an acme of ''Pycnodonte vesiculare'', overlain by three successive acmes of ''Sciponoceras''.

'''Age''': Upper Cenomanian

[[category:Standard zonation | 013]]

Neocardioceras juddii Zone - Revision history

Dbk: Created page with "'''Base''': The base of the zone is immediately below the first appearance of the index species (Gale, 1995). '''Top''': The top of the zone is immediately above the last occ..."