Page 307 - Introduction to Paleobiology and The Fossil Record

Precambrian Paleozoic post-Paleozoic

E Cm O S D C P Tr post Tr

Heterocorallia

?
Cothoniida Rugosa

Zoanthiniaria

Tabulata
?
?
Actiniaria
?
Corallimorpharia

Kilbuchophyllida Scleractinia

Figure 11.36 Stratigraphic ranges of the main coral groups. Geological period abbreviations are
standard, running from Ediacarian (E) to Triassic (Tr). (Replotted from Clarkson 1998.)

Vaughan
Stages 1905–1906
(Avon Gorge)
Horizon
Brigantian
Dibunophyllum
Zone
Asbian

Holkerian
Seminula
Zone

Arundian
Dinantian Clevedonian = Lower Avonian = Tournaisian Kidwellian = Upper Avonian = Viséan
Syringothyris
(Lower
Caninia)
Chadian Zone

Zaphrentis
Zone

Courceyan Cleistopora
Zone

Modiola Zone
Figure 11.37 Coral biostratigraphy for the Dinantian. (Redrawn Old Red
from various sources.) Sandstone facies