Ordovician rhynchonelliformean brachiopods from Co. Waterford, SE Ireland

A detailed look at the rhynchonelliformean brachiopods of Ireland This publication, Ordovician rhynchonelliformean brachiopods from Co. Waterford, SE Ireland: Palaeobiogeography of the Leinster Terrane, is Number 62 within the Fossils and Strata series. The international Fossils and Strata series features monographs in palaeontology and biostratigraphy with taxonomic descriptions. The series is owned by and published on behalf of The Lethaia Foundation in cooperation with the Scandinavian countries.

Autorentext

Maria Liljeroth is the author of Ordovician rhynchonelliformean brachiopods from Co. Waterford, SE Ireland: Palaeobiogeography of the Leinster Terrane, published by Wiley. David A.T. Harper is a British palaeontologist, specialising in fossil brachiopods and numerical methods in palaeontology. He is Professor of Palaeontology in Earth Sciences, Principal of Van Mildert College, and Deputy Head of Colleges in Durham University.

Zusammenfassung
A detailed look at the rhynchonelliformean brachiopods of Ireland This publication, Ordovician rhynchonelliformean brachiopods from Co. Waterford, SE Ireland: Palaeobiogeography of the Leinster Terrane, is Number 62 within the Fossils and Strata series. The international Fossils and Strata series features monographs in palaeontology and biostratigraphy with taxonomic descriptions. The series is owned by and published on behalf of The Lethaia Foundation in cooperation with the Scandinavian countries.

Inhalt
Introduction 1

Previous work 2

Geological setting 3

Tectonic history of Ganderia and Avalonia 4

The Iapetus Ocean 5

Ireland 6

The Leinster Terrane 7

Docking history 7

Th e Tramore area 7

Material 9

Stratigraphy and fauna 9

Age of the Tramore Limestone Formation 9

Tramore and Dunabrattin/Bunmahon sections 10

Tramore Shale Formation Tramore area 12

Tramore Limestone Formation type section at Barrel Strand, Tramore area 12

Lithology 12

Fauna associations 14

Tramore Limestone Formation other sections 14

Pickardstown sections (Ps) 14

Quillia Section 1 (QS1) 14

Quillia Section 2 (QS2) 14

Bunmahon Formation Bunmahon/Dunabrattin area 15

Dunabrattin Shale Formation Bunmahon/Dunabrattin area 15

Dunabrattin Limestone Formation Bunmahon/ Dunabrattin area 15

Lithology and fauna 16

Correlation 16

Depositional setting and ecology 17

Local events 17

Tramore Limestone Formation 17

Dunabrattin Limestone Formation 19

Palaeobiogeographical reconstructions 20

New reconstructions for the Iapetus Ocean 22

Ganderian terrane positions 22

Longitudinal separation 22

Latitudinal drift of the Ganderian-Avalonian segment 22

Brachiopod provinces 24

Faunal distribution 24

Darriwilian provinces and faunas 26

Th e Low-latitude Province on the Laurentian Platform 26

An early Scoto-Appalachian fauna 27

Th e Toquima-Table Head province 28

Th e mixed faunas of the Leinster Terrane and East Avalonia 31

Th e Leinster Terrane 31

East Avalonia 32

Th e Celtic province 32

Th e Baltic Province 34

Th e High-latitude Province 35

Darriwilian faunal migration patterns: implications on oceanic current confi guration 35

Migrations from the Laurentian margins and intraoceanic islands to the south IapetusTornquist region 38

Migrations within the south IapetusTornquist region 38

Th e Rheic gyre and the High-latitude Province 40

Th e Precordillera 40

Early Sandbian brachiopod provinces 41

Th e Low-latitude Province on the Laurentian Platform 41

Th e Scoto-Appalachian Province 42

Th e Anglo-WelshBaltic Province 43

Th e Leinster Terrane 44

East Avalonia and Anglesey 46

Baltica 47

The High-latitude Province 48

The Precordillera 48

Conclusions 48

Systematic palaeontology 50

Abbreviations 50

Repository 50

Statistical methods 50

Allometric growth 50

Phylum Brachiopoda Duméril, 1806 51

Subphylum Rhynchonelliformea Williams, Carlson & Brunton, 1996 51

Class Strophomenata Öpik, 1934 51

Order Strophomenida Öpik, 1934 51

Superfamily Strophomenoidea King, 1846 51

Family Strophomenidae King, 1846 51

Subfamily Strophomeninae King, 1846 51

Genus Tetraphalerella Wang, 1949 51

Tetraphalerella? sp. 52

Subfamily Furcitellinae Williams, 1965 53

Genus Dactylogonia Ulrich & Cooper, 1942 53

Dactylogonia costellata n. sp 53

Family Rafi nesquinidae Schuchert, 1893 55

Subfamily Rafi nesquininae Schuchert, 1893 55

Genus Colaptomena Cooper, 1956 55

Colaptomena auduni n. sp. 56

Colaptomena pseudopecten? (M'Coy, 1846) 57

Superfamily Plectambonitoidea Jones, 1928 59

Family Plectambonitidae Jones, 1928 59

Subfamily Taphrodontinae Cooper, 1956 59

Genus Isophragma Cooper, 1956 59

Isophragma parallelum n. sp. 59 Family Leptellinidae Ulrich & Cooper, 1936 61</p&...