Special Papers in Palaeontology, Nautiloids before and during the origin of ammonoids in a Siluro-Devonian section in the Tafilalt, Anti-Atlas, Morocco

by Kroger, Bjorn

• ISBN13: 9781405187701
• ISBN10: 1405187700
• Edition: 1st
• Format: Paperback
• Copyright: 2009-01-27
• Publisher: Wiley-Blackwell

Summary

A study of the stratigraphical occurrences of non-ammonoid cephalopods in the Late-Silurian-Middle Devonian More than 2000 cephalopod specimens were collected from a section in the Tafilalt of south-east Morocco for the study For the first time, non-ammonoid cephalopod occurrences were recorded against a precisely controlled stratigraphical record in post-Lochkovian Devonian sediments Includes 16 plates and 23 text-figures

Author Biography

Bjorn Kroger is the author of Special Papers in Palaeontology, Number 79, Nautiloids before and during the origin of ammonoids in a Siluro-Devonian section in the Tafilalt, Anti-Atlas, Morocco, published by Wiley.

Table of Contents

Abstract

Introduction

Terminology

Open nomenclature

Terminology of higher taxa

Morphological terms

Diversity Measures

The Locality

Sedimentary Succession and Stratigraphy

Temperoceras limestone succession

Scyphocrinites limestone succession

Jovellania limestone succession

Pragian-Zl- - chovian limestone succession

Early Eifelian limestone succession

Interpretation of the Sedimentary Succession

General remarks

Description of depositional cycles

Cephalopod Succession

Diversity signal

Morphological signal

Evolutionary signal

Systematic Palaeontology

Class Cepalopoda Cuvier, 1797

Order Discosorida Flower, in Flower and Kummel 1950

Family Phragmoceratidae Miller, 1877

Genus Pseudendoplectoceras gen. nov

Order Oncocerida Flower, in Flower and Kummel 1950

Family Brevicoceratidae Flower, 1945

Genus Brevicoceras Flower, 1938

Genus Cerovoceras gen. nov

Family Jovellaniidae Foord, 1888

Genus Jovellania Bayle, in Bayle and Zeller 1878

Genus Bohemojovellania Manda, 2001

Family Karoceratidae Teichert, 1939

Genus Ankyloceras Zhuravleva, 1974

Genus Ventrobalashovia gen. nov

Family Nothoceratidae Fischer, 1882

Genus Mutoblakeoceras gen. nov

Genus Tafilaltoceras gen. nov

Indet

Nothoceratidae

Family Oncoceratidae Hyatt, 1884

Genus Orthorizoceras gen. nov

Order Nautilida Agassiz, 1847

Family Centroceratidae Hyatt, 1900

Genus Centroceras Hyatt, 1884

Order Actinocerida Teichert, 1933

Family Ormoceratidae Saemann, 1852

Genus Ormoceras Stokes, 1840

Genus Deiroceras Hyatt, 1884

Genus Metarmenoceras Flower, 1940

Order Pseudothocerida Barskov, 1963

Family Pseudorthoceratidae Flower and Caster, 1935

Genus Geidoloceras gen. nov

Genus Neocycloceras Flower and Caster, 1935

Genus Probatoceras Zhuravleva, 1978

Genus Subdoloceras gen. nov

Genus Subormoceras gen. nov

Family Spyroceratidae Shimizu and Obata, 1935a

Genus Spyroceras Hyatt, 1884

Genus Cancellspyroceras gen. nov

Genus Diagoceras Flower, 1936

Genus Suloceras Manda, 2001

Order Lituitida Starobogatov, 1974

Family Lamellorthoceratidae Teichert, 1961

Genus Arthrophyllum Beyrich, 1850

Family Sphooceratidae Flower, 1962

Genus Sphooceras Flower, 1962

Order Orthoceratida Kuhn, 1940

Family Orthoceratidae McCoy, 1844

Genus Chebbioceras Klug et al., 2008

Genus Infundibuloceras Klug et al., 2008

Genus Kopaninoceras Kiselev, 1969

Genus Merocycloceras Ristedt, 1968

Genus Michelinoceras Foerste, 1932

Genus Orthocycloceras Barskov, 1972

Genus Pseudospyroceras gen. nov

Genus Theoceras gen. nov

Genus Tibichoanoceras gen. nov

Orthoceratidae gen. et sp. indet

Family Arionoceratidae Dzik, 1984

Genus Arionoceras Barskov, 1966

Genus Adiagoceras gen. nov

Genus Parakionoceras Foerste, 1928

Family Dawsonoceratidae Flower, 1962

Genus Anaspyroceras Shimizu and Obata, 1935a

Indet

Dawsonoceratidae

Family Geisonoceratidae Zhuravleva, 1959

Genus Angeisonoceras gen. nov

Genus Temperoceras Barskov, 1960

Family Kionoceratidae Hyatt, 1900

Genus Kionoceras Hyatt, 1884

Family Sichuanoceratidae Zhuravleva, 1978

Genu

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