Volume 57

Supplement to Journal ofPaleontology(ISSN 0022-3360)

lPALAZ 57(1) II 1-31, JANUARY 1983

JANUARY 1983

Part II of II

Supplement to No.1

JOURNAL OFPALEONTOLOGY

THE PALEONTOLOGICAL SOCIETY

MEMOIR 14

Ptilodictyoid Cryptostolllata Bryozoa frolll the Middleand Upper Ordovician Rocks of Central Kentucky

OLGERTS L. KARKLINS

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Memoirs of the Paleontological Society are occasional publications consistingof monographs an:d symposia that are too extensive for publication in the JournalofPaleontology as part of the regular issues. Ordinarily, memoirs are publishedas supplements to a regular issue of the Journal. Inquiries concerning submittalof manuscripts for inclusion in the Memoir Series may be made to the Editorsof the Journal for the Paleontological Society.

Communications concerning the cost and availability of back numbers of theMemoir Series should be addressed to the Society of Economic Paleontologistsand Mineralogists, P.O. Box 979, Tulsa, Oklahoma 74101.

OFFICERS OF THE PALEONTOLOGICAL SOCIETY

For the year ending November 1983

PresidentALLISON R. PALMER, Boulder, Colorado

President-ElectWALTER C. SWEETColumbus, Ohio

Past-PresidentERLE G. KAUFFMAN, Boulder, Colorado

SecretaryJOHN POlETA, JR.

U.S. Geological SurveyE-501 U.S. National Museum

Smithsonian InstitutionWashington, D.C. 20560

TreasurerROGER L. KAESLER, Lawrence, Kansas

Program CoordinatorROGER D. K. THOMAS, Lancaster,

Pennsylvania

Journal Co-EditorsJ. KEITH RIGBY and

LEHI F. HINTZE, Provo, Utah

Paleobiology EditorJAMES A. HOPSON,Chicago, Illinois

CouncilorsJAMES T. SPRINKLE, Austin, Texas

GEERAT VERMEIJ, College Park, Maryland

Section ChairpersonsNorth-Central: Not determinedNortheastern: ROBERT LINSLEY

Hamilton, New YorkPacific Coast: DAVID J. BOTTlER

Los Angeles, CaliforniaSoutheastern: RANDALL S. SPENCER

Norfolk, Virginia

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The Paleontological Society

MEMOIR 14

PTILODICTYOID CRYPTOSTOMATA BRYOZOAFROM THE MIDDLE AND UPPER

ORDOVICIAN ROCKS OF CENTRAL KENTUCKY

OLGERTS L. KARKLINS

u.s. Geological Survey, Washington, D.C. 20560

Copyright © 1983 byTHE PALEONTOLOGICAL SOCIETY, INC.

JANUARY 1983

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REFERENCES .

ACKNOWLEDGMENTS .

SYSTEMATIC PALEONTOLOGY .

GENUS Escharopora Hall .Escharopora cf. E. recta Hall .Escharopora eparmata, n. sp. . .

GENUS Graptodictya Ulrich .Graptodictya sp .

GENUS Phyllodictya Ulrich .Phyllodictyafrondosa Ulrich .

GENUS Stictopora Hall .Stictopora neglecta (Ulrich) .Stictopora nicholsoni (Ulrich) .

GENUS Trigonodictya Ulrich .Trigonodictya cf. T. acuta (Hall) .Trigonodictya cirrita, n. sp .

GENUS Orectodictya, n. gen. . .Orectodictya pansa, n. sp. . .

CONTENTS

ABSTRACT.. . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . .. . .. . .. . .. .. . . . . . .. .. . 1

INTRODUCTION 1

PREVIOUS WORK , .. .. . . . 1

STRATIGRAPHIC SETTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

MATERIALS AND METHODS. . . . . . . . . . . . .. . .. . . .. .. . . . . .. . .. . . . .. . . .. . 4GENERAL............................................................... 4REPOSITORY OF SPECIMENS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5EXPLANATION OF MEASUREMENTS AND ABBREVIATIONS. . . . . . . . . . . . . . . . . . . . . . . 5

GEOGRAPHIC DISTRIBUTION 6

STRATIGRAPHIC DISTRIBUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

7889

131414141517202121222425

25

27

ApPENDIX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 29REGISTER OF LOCALITIES AND STRATIGRAPHIC POSITIONS OF COLLECTIONS 29

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ILLUSTRATIONS

FIGURES I-Index to 7lf2-minute quadrangles in the study area from which bryo-zoan collections were made 2

2-Stratigraphic distribution ofthe ptilodictyoids in the composite sectionfor central Kentucky 3

3-Stictopora nicholsoni, Graptodictya sp., Trigonodictya cf. T. acuta,Escharopora cf. E. recta 10

4-Escharopora eparmata 125- Phyllodictya frondosa 166-Stictopora neglecta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 187- Trigonodictya cirrita 228- Orectodictya pansa 26

TABLES 1-Geographic distribution of ptilodictyoid bryozoan species in centralKentucky................... .. .. . . .. .. . 5

2-Escharopora cf. E. recta 93- Escharopora eparmata 134 - Graptodictya sp. 155- Phyllodictya frondosa 156 - Stictopora neglecta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 197- Stictopora nicholsoni 208- Trigonodictya cf. T. acuta 229- Trigonodictya cirrita 24

10-Orectodictya pansa 27

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