Subprionocyclus neptuni Zone: Difference between revisions
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Created page with " '''Base''': The base of the zone is defined by the first appearance of the index species (Gale, 1996). '''Correlation''': The presumably correlative lower part of this zone..." |
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'''Base''': The base of the zone is defined by the first appearance of the index species (Gale, 1996). | '''Base''': The base of the zone is defined by the first appearance of the index species (Gale, 1996). | ||
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'''Occurrence''': The zone has been recognised in southern England, Hertfordshire and Berkshire (Gale, 1996). | '''Occurrence''': The zone has been recognised in southern England, Hertfordshire and Berkshire (Gale, 1996). | ||
{| class="Wikitable" | {| class="Wikitable" | ||
| '''Subzones''': || ''Subprionocyclus normalis'' | |||
| '''Subzones''': | |||
|- | |- | ||
| '' Subprionocyclus neptuni'' | | ||'' Subprionocyclus neptuni'' | ||
|- | |- | ||
| '' Romaniceras deverianum'' | | ||'' Romaniceras deverianum'' | ||
|} | |} | ||
[[Category:International ammonite zonation for the Turonian & Early Coniacian | 005]] | [[Category:International ammonite zonation for the Turonian & Early Coniacian | 005]] | ||
Latest revision as of 11:52, 30 September 2013
Base: The base of the zone is defined by the first appearance of the index species (Gale, 1996).
Correlation: The presumably correlative lower part of this zone was described by Wright & Kennedy (1981). The zone equates with the upper T. lata and S. plana zones of the standard macrofossil zonal scheme.
Occurrence: The zone has been recognised in southern England, Hertfordshire and Berkshire (Gale, 1996).
| Subzones: | Subprionocyclus normalis |
| Subprionocyclus neptuni | |
| Romaniceras deverianum |