VERTICAL RANGE OF THE NAUTILOIDEA 
NS) 
TABLE SHOWING VERTICAL RANGE OF THE NAUTILOIDEA. 


Families. 
1. HoLocHoOANITES 
ile 
2. 
3. 
Diphragmidae . 
Endoceratidae . 
Cyrtendoceratidae 
II. MrxocHoanitTEs 
IL 
2 
a. 
Ascoceratidae 
Mesoceratidae . 
Ill. ScHISTOCHOANITES 
IV. ORTHOCHOANITES 
me wh Ee 
Or 
Orthoceratidae . 
Cycloceratidae . 
Kionoceratidae . 
Tarphyceratidae 
Trocholitidae., . 
Plectoceratidae 
Ophidioceratidae 
Lituitidae 
Gry poceratidae 
Clydonautilidae 
. Halloceratidae . 
. Ryticeratidae 
. Rhadinoceratidae 
. Trigonoceratidae 
. Triboloceratidae 
Rhineceratidae 
. Hercoceratidae. 
. Tainoceratidae . 
. Centroceratidae 
Pleuronautilidae 
. Koninckoceratidae 
. Solenocheilidae 
. Estonioceratidae 
. Nautilidae 
V. CYRTOCHOANITES 
Loxoceratidae . 
Uranoceratidae 
Actinoceratidae 
Jovellanidae 
Rizoceratidae 
Ooceratidae 
Oncoceratidae . 
Poterioceratidae 
Trimeroceratidae 
Phragmoceratidae 

Carboniferous. 
Cretaceous. 
Tertiary. 
Recent. 
Ordovician, 
Devonian. 
Permian. 
Silurian. 
Trias. 
Jura 





