Ordovician
General info
Belongs to
Paleozoic
Type chronostratigraphy
Rank System
Scope global
Status formal standard
Author Lapworth
Year 1879
Etymon Ordovices, a northen Celtic Welsh tribe
Age top (Ma) 443.8
Age base (Ma) 485.4
Age (Ma)
Paleozoic
Index
O
Alt. index
O
Date changed 2022-11-04
Stratotypes
LocalityTypeFrom (m)1To (m)2ReferenceRemarks
Green Point Section, western Newfoundland
boundary stratotype
101.8 Cooper et al., 2001 GSSP for the Tremadocian Stage
References (4)Sub units (3)Related units (6)Specimens (123615)Samples (38433)
NumberNameLocalityDepth (m)StratigraphyImage
GIT 720-124 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-123 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-122 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-121 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-120 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-119 Conichnus conicus Aluvere quarry Idavere Substage
GIT 720-118 Amphorichnus papillatus Aluvere quarry Idavere Substage
GIT 720-117 Amphorichnus papillatus Aluvere quarry Idavere Substage
GIT 720-116 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-115 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-114 Amphorichnus papillatus Aluvere quarry Jõhvi Substage
GIT 720-113 Amphorichnus papillatus Aluvere quarry Jõhvi Substage
GIT 720-112 Amphorichnus papillatus Aluvere quarry Jõhvi Substage
TUG 75-37 Hedstroemina inaequiclina Rägavere quarry Rakvere Stage
TUG 75-36 Hedstroemina inaequiclina Rägavere quarry Rakvere Stage
TUG 75-35 Hedstroemina inaequiclina Rägavere quarry Rakvere Stage
TUG 75-34 Hedstroemina inaequiclina Rägavere quarry Rakvere Stage
TUG 46-218 Estonioceras perforatum Iru outcrop Kunda Stage
TUG 46-217 Estonioceras ariense Ojaküla quarry Kunda Stage
TUG 46-216 Estonioceras Kandle cliff Kunda Stage
TUG 75-33 Hedstroemina inaequiclina Rägavere quarry Rakvere Stage
TUG 75-32 Hedstroemina inaequiclina Rägavere quarry Rakvere Stage
GIT 720-111 Amphorichnus papillatus Aluvere quarry Jõhvi Substage
GIT 720-110 Amphorichnus papillatus Aluvere quarry Haljala Stage
GIT 720-109 Amphorichnus papillatus Aluvere quarry Jõhvi Substage
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