THE MEDITERRANEAN LOWER CRETACEOUS

2.2. Protozoa
1 5 6
2.2.1. Radiolaria
1 5
°
2.2.2. Foraminifera ^"
2.2.3. Calpionellids
2.3. Some Invertebrates Metazca
{f?
2.3.1. Ostracoda
ï 5
'
2.3.2. Spongia and Coelenterata *57
2.3.3. Echinodermata
1 5
J
2.3.4. Brachiopoda
1 5 8
2.3.5. Mollusca
1 5 8
3. Palaeobiogeography of thc Early Cretaceous '^9
3.1. Starting Principles 1°°
3.2. Ammonite Provincialism during the Early Cretaceous 1°'
3.2.1. Berriasian-Barrcmian Ammonite Horology in the Mediterranean Region 164
3.2.2. Aptian-Albian Ammonite Horology in the Mediterranean Region . . . . 167
3.2.3. Main Factors of thc Ammonite Ecology 'ÎJ 9
3.3. Some main Early Cretaceous Biotopes
VI. Main Features in the Geological Development of the Mediterranean Region during the Early
1'°
Cretaceous 1^2
1. Patterns of the Palaeogeographic Environments 'J 2
1.1. Evolution of the Continents and of the Continental Margins . . . . . . . . . 173
1.1.1. Regional Patterns in the Development of the Continental Margins . . . 173
1.1.2. Distribution of Flysch Sediments ,8
*j
1.1.3. Molasses
1 8 9
1.1.4. Carbonate Platforms ^1
1.2. Mobile Belts
1.2.1. Early Cretaceous Ophiolites, Volcano-Sedimentary Complexes and Radio­
1 9 2
larites
1 9 2
1.2.2. Orogenic Manifestations during the Early Cretaceous • 194
2. Some Specific Features in the Geological Development of the Mediterranean Region and
the Opening of the Atlantic Ocean during the Early Cretaceous
1 9 9
2.1. Genera! Notes ' 9
2.2. Palaeomagnetic Data about the Movement of Microplates in the Mediterranean
Region during the Early Cretaceous 20U
2.3. Opening of the Atlantic Ocean •, • 202
2.4. Early Cretaceous Evolution of the Mediterranean Region and Its Connections with
the Atlantic Ocean
2 0 3
3. Conclusions 205
VII. References
2 0 7
LE CRETACE INFERIEUR MESOGEEN (Résumé) 228
Pre mi ère partie. INTRODUCTION .
2 2 8
I. Remarques générales sur le Crétacé inférieur • • • • 228
IL Etages, sous-étages et zones biostratigraphiques du Crétacé inférieur . . . . . . . . 228
Deuxième partie. STRATIGRAPHIE REGIONALE 229
III. Caractéristique régionale stratigraphique du Crétacé inférieur 229
1. Bulgarie
2 2 9
2. Afrique du Nord-Ouest
Z J
?
3. Afrique du Nord
2 3
°
4. Péninsule ibérique
2 3
j
5. France 231
6. Alpes suisses
2 3 3
7. Alpes orientales
2 3 3
8. Hongrie
2
"
9. Tchécoslovaquie
2
,*
10. Pologne 234
11. Roumanie 234
12. Carpathes soviétiques
23
î
13. Crimée et Caucase
2 3
?
14. Alpes méridionales, Apennins et Sardaigne
15. Yougoslavie
2 3
j;
16. Albanie 237
17. Grèce
18. Turquie
2 3 7
,
2 3 8
267